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GB/T 17360-2020
Microbeam analysis—Method of quantitative determination for low contents of silicon and manganese in steels using electron probe microanalyzer
GB/T 16546-2020
General rules for packing, marking, transport, storage and quality certificates of shaped refractory
GB/T 15579.10-2020
Arc welding equipment—Part 10:Electromagnetic compatibility (EMC) requirements
GB/T 15545-2020
General rules for packing, marking, transport, storage and quality certificates of unshaped refractory
GB/T 15468-2020
Fundamental technical requirements for hydraulic turbines
GB/T 15343-2020
Methods for chemical analysis of talc
GB/T 14598.301-2020
Technical requirements for power system continuous recorder
GB/T 14563-2020
Specification and test method of kaolin clay
GB/T 14513.3-2020
Pneumatic fluid power—Determination of flow-rate characteristics of components using compressible fluids—Part 3:Method for calculating steady-state flow-rate characteristics of systems
GB/T 13912-2020
Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods
GB/T 12967.1-2020
Test methods for anodic oxidation coatings and organic polymer coatings of aluminium and aluminium alloys―Part 1: Measurement of abrasion resistance
GB/T 11376-2020
Metallic and other inorganic coatings—Phosphate conversion coating of metals
GB/T 9771.6-2020
Single-mode optical fibres for telecommunication—Part 6: Characteristics of a fibre with non-zero dispersion for wideband optical transport
GB/T 9771.5-2020
Single-mode optical fibres for telecommunication—Part 5: Characteristics of a non-zero dispersion shifted single-mode optical fibre
GB/T 9771.4-2020
Single-mode optical fibres for telecommunication—Part 4: Characteristics of a dispersion shifted single-mode optical fibre
GB/T 9771.3-2020
Single-mode optical fibres for telecommunication—Part 3: Characteristics of an extended wavelength band dispersion unshifted single-mode optical fibre
GB/T 9771.2-2020
Single-mode optical fibres for telecommunication—Part 2: Characteristics of a cut-off wavelength shifted single-mode optical fibre
GB/T 9771.1-2020
Single-mode optical fibres for telecommunication—Part 1: Characteristics of a dispersion unshifted single-mode optical fibre
GB/T 9065.6-2020
Connections for hydraulic fluid power—Hose fittings—Part 6: 60° cone ends
GB/T 9065.4-2020
Connections for hydraulic fluid power—Hose fittings—Part 4: Stud ends
