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Database: 365,228(8 Aug 2026)

material worker

material worker, Total:32 items.

The international standard classification for "material worker" includes: Wood technology processes .

The Chinese standard classification for "material worker" includes: Basic standard and general method on forestry , Brick and tile making equipment , Cement and cement product equipment , Cold processing technology .


General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Professional Standard - Building Materials

National Metrological Verification Regulations of the People's Republic of China

  • JJG(核工) 17-1991 Test Method for Determination of Radioactive Gas Activity Using Inner Gas Proportional Counting Standard Device
  • JJG(核工) 20-1991 Verification Regulations for Ground Gamma Scintillation Radiation Apparatus
  • JJG(核工) 3-1991 Verification Regulations for Scintillation Telescope (Working Grade)
  • JJG(核工) 4-1991 Verification Regulations for Semiconductor Telescopes (Working Class)
  • JJG(核工) 6-1991 Verification Regulations for Fast Neutron Dosimeter (Working Level)
  • JJG(核工) 21-1991 Verification Regulations for Ground Gamma Spectrometer
  • JJG(核工) 16-1991 Test method for measuring surface emissivity of α-plane source by grid ionization chamber standard device
  • JJG(核工) 7-1991 Test method for specific activity of radioactive solution with 4Πβ-γ conforming standard device
  • JJG(核工) 1-1991 Hydrogen Proportional Counter Tube (Working Grade) Verification Regulations
  • JJG(核工) 18-1991 General Rules for Verification of Natural Radioactive Measuring Instruments
  • JJG(核工) 8-1991 Test method for specific activity of electron-capturing nuclide radioactive solution using 4πβ(PPC)-γ conforming standard device
  • JJG(核工) 19-1991 Verification Regulations for Solid Radium Point Sources

Professional Standard - Aviation

  • HB/Z 158-1990 Specifications for process to manufacture durable aluminum honeycomb core materials by tension method

VDI - Verein Deutscher Ingenieure

Canadian Standards Association (CSA)

SCC