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  • DZ(Geology & Mineralogy)
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  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
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Database: 365,228(8 Aug 2026)
TB 10099 GB/T 12346 China RoHS solar energy maximum residue limits petroleum
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