Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

q/tb

q/tb, Total:60 items.

The international standard classification for "q/tb" includes: .

The Chinese standard classification for "q/tb" includes: .


未注明发布机构

Compressed Gas Association (U.S.)

International Telecommunication Union (ITU)

  • ITU-T Q.140-Q.180-1988 Specifications of Signalling System No. 5 Study Group XI [Superseded: ITU-T Q.141 ITU-T Q.141 ITU-T Q.142 ITU-T Q.143 ITU-T Q.144 ITU-T Q.144 ITU-T Q.145 ITU-T Q.146 ITU-T Q.151 ITU-T Q.152 ITU-T Q.153 ITU-T Q.154 ITU-T Q.155 ITU-T Q.156 ITU-T Q.157 ITU-T
  • ITU-T Q.310-Q.332-1988 Specifications of Signalling System R1 Study Group XI [Superseded: ITU-T Q.312 ITU-T Q.313 ITU-T Q.314 ITU-T Q.315 ITU-T Q.316 ITU-T Q.317 ITU-T Q.318 ITU-T Q.319 ITU-T Q.320 ITU-T Q.321 ITU-T Q.322 ITU-T Q.323 ITU-T Q.324 ITU-T Q.325 ITU-T Q.326 ITU-T Q.
  • ITU-T Q.400-Q.490-1988 Specifications of Signalling System R2 Study Group XI [Superseded: ITU-T Q.411 ITU-T Q.412 ITU-T Q.414 ITU-T Q.415 ITU-T Q.416 ITU-T Q.421 ITU-T Q.422 ITU-T Q.424 ITU-T Q.430 ITU-T Q.440 ITU-T Q.441 ITU-T Q.442 ITU-T Q.450 ITU-T Q.451 ITU-T Q.452 ITU-T Q.
  • ITU-T Q.251-Q.300-1988 Specifications of Signalling System No. 6 [Superseded: ITU-T Q.252 ITU-T Q.253 ITU-T Q.254 ITU-T Q.255 ITU-T Q.256 ITU-T Q.257 ITU-T Q.258 ITU-T Q.259 ITU-T Q.260 ITU-T Q.261 ITU-T Q.265 ITU-T Q.266 ITU-T Q.267 ITU-T Q.268 ITU-T Q.271 ITU-T Q.272 ITU-T Q
  • ITU-T Q.120-Q.139-1988 Specifications of Signalling System No. 4 Study Group XI [Superseded: ITU-T Q.121 ITU-T Q.122 ITU-T Q.123 ITU-T Q.124 ITU-T Q.125 ITU-T Q.126 ITU-T Q.127 ITU-T Q.128 ITU-T Q.129 ITU-T Q.130 ITU-T Q.131 ITU-T Q.133 ITU-T Q.135 ITU-T Q.136 ITU-T Q.137 ITU-T
  • ITU-T Q.251-Q.300 FRENCH-1988 Specifications of Signalling System No. 6 [Superseded: ITU-T Q.252 ITU-T Q.253 ITU-T Q.254 ITU-T Q.255 ITU-T Q.256 ITU-T Q.257 ITU-T Q.258 ITU-T Q.259 ITU-T Q.260 ITU-T Q.261 ITU-T Q.265 ITU-T Q.266 ITU-T Q.267 ITU-T Q.268 ITU-T Q.271 ITU-T Q.272 ITU-T Q
  • ITU-T Q.251-Q.300 SPANISH-1988 Specifications of Signalling System No. 6 [Superseded: ITU-T Q.252 ITU-T Q.253 ITU-T Q.254 ITU-T Q.255 ITU-T Q.256 ITU-T Q.257 ITU-T Q.258 ITU-T Q.259 ITU-T Q.260 ITU-T Q.261 ITU-T Q.265 ITU-T Q.266 ITU-T Q.267 ITU-T Q.268 ITU-T Q.271 ITU-T Q.272 ITU-T Q
  • ITU-T Q.140-Q.180 FRENCH-1988 Specifications of Signalling System No. 5 Study Group XI [Superseded: ITU-T Q.141 ITU-T Q.141 ITU-T Q.142 ITU-T Q.143 ITU-T Q.144 ITU-T Q.144 ITU-T Q.145 ITU-T Q.146 ITU-T Q.151 ITU-T Q.152 ITU-T Q.153 ITU-T Q.154 ITU-T Q.155 ITU-T Q.156 ITU-T Q.157 ITU-T
  • ITU-T Q.140-Q.180 SPANISH-1988 Specifications of Signalling System No. 5 Study Group XI [Superseded: ITU-T Q.141 ITU-T Q.141 ITU-T Q.142 ITU-T Q.143 ITU-T Q.144 ITU-T Q.144 ITU-T Q.145 ITU-T Q.146 ITU-T Q.151 ITU-T Q.152 ITU-T Q.153 ITU-T Q.154 ITU-T Q.155 ITU-T Q.156 ITU-T Q.157 ITU-T
  • ITU-T Q.310-Q.332 FRENCH-1988 Specifications of Signalling System R1 Study Group XI [Superseded: ITU-T Q.312 ITU-T Q.313 ITU-T Q.314 ITU-T Q.315 ITU-T Q.316 ITU-T Q.317 ITU-T Q.318 ITU-T Q.319 ITU-T Q.320 ITU-T Q.321 ITU-T Q.322 ITU-T Q.323 ITU-T Q.324 ITU-T Q.325 ITU-T Q.326 ITU-T Q.
  • ITU-T Q.400-Q.490 FRENCH-1988 Specifications of Signalling System R2 Study Group XI [Superseded: ITU-T Q.411 ITU-T Q.412 ITU-T Q.414 ITU-T Q.415 ITU-T Q.416 ITU-T Q.421 ITU-T Q.422 ITU-T Q.424 ITU-T Q.430 ITU-T Q.440 ITU-T Q.441 ITU-T Q.442 ITU-T Q.450 ITU-T Q.451 ITU-T Q.452 ITU-T Q.
  • ITU-T Q.120-Q.139 SPANISH-1988 Specifications of Signalling System No. 4 Study Group XI [Superseded: ITU-T Q.121 ITU-T Q.122 ITU-T Q.123 ITU-T Q.124 ITU-T Q.125 ITU-T Q.126 ITU-T Q.127 ITU-T Q.128 ITU-T Q.129 ITU-T Q.130 ITU-T Q.131 ITU-T Q.133 ITU-T Q.135 ITU-T Q.136 ITU-T Q.137 ITU-T
  • ITU-T Q.310-Q.332 SPANISH-1988 Specifications of Signalling System R1 Study Group XI [Superseded: ITU-T Q.312 ITU-T Q.313 ITU-T Q.314 ITU-T Q.315 ITU-T Q.316 ITU-T Q.317 ITU-T Q.318 ITU-T Q.319 ITU-T Q.320 ITU-T Q.321 ITU-T Q.322 ITU-T Q.323 ITU-T Q.324 ITU-T Q.325 ITU-T Q.326 ITU-T Q.
  • ITU-T Q.400-Q.490 SPANISH-1988 Specifications of Signalling System R2 Study Group XI [Superseded: ITU-T Q.411 ITU-T Q.412 ITU-T Q.414 ITU-T Q.415 ITU-T Q.416 ITU-T Q.421 ITU-T Q.422 ITU-T Q.424 ITU-T Q.430 ITU-T Q.440 ITU-T Q.441 ITU-T Q.442 ITU-T Q.450 ITU-T Q.451 ITU-T Q.452 ITU-T Q.
  • ITU-T Q.120-Q.139 FRENCH-1988 Specifications of Signalling System No. 4 Study Group XI [Superseded: ITU-T Q.121 ITU-T Q.122 ITU-T Q.123 ITU-T Q.124 ITU-T Q.125 ITU-T Q.126 ITU-T Q.127 ITU-T Q.128 ITU-T Q.129 ITU-T Q.130 ITU-T Q.131 ITU-T Q.133 ITU-T Q.135 ITU-T Q.136 ITU-T Q.137 ITU-T

Society of Automotive Engineers (SAE)

(U.S.) Parachute Industry Association

American Welding Society (AWS)

SAE - SAE International

  • SAE TB-0003A-2016 Counterfeit Parts & Materials Risk Mitigation (Formerly TechAmerica TB-0003)
  • SAE TB-0003-2009 Counterfeit Parts & Materials Risk Mitigation (Formerly TechAmerica TB-0003)

American Society for Testing and Materials (ASTM)