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GB/T 15242.2-2017
Dimensions series of rod and piston dynamic seals for hydraulic cylinders—Part 2：Dimensions and tolerances of bearing rings
GB/T 15242.1-2017
Dimensions series of rod and piston dynamic seals for hydraulic cylinders—Part 1：Dimensions and tolerances of co-axial seals for reciprocating applications
GB/T 1236-2017
Industrial fan—Performance testing using standardized airways
GB/T 27793-2011
GB/T 34347-2017
Periodic inspection and evaluation of cryogenic insulated cylinders
GB/T 20663-2017
Accumulators
GB/T 9252-2017
Method for pressure cycling test of gas cylinders
GB/T 34635-2017
Flange connections
GB/T 34531-2017
Periodic inspection and evaluation of liquefied dimethyl ether steel cylinders
GB/T 34530.2-2017
Valve for cryogenic insulated cylinder—Part 2：Shut-off valve
GB/T 34527-2017
Specification of gas cylinder valve for air rebreather
GB/T 34510-2017
Liquefied natural gas cylinders for vehicles
GB/T 34350-2017
External inspection methodology for internal corrosion of liquid petroleum pipelines
GB/T 34349-2017
External inspection methodology for internal corrosion of natural gas pipelines
GB/T 34346-2017
Guidelines for risk based safety hazard classification of oil and gas pipelines
GB/T 16918-2017
Bursting disc safety devices for gas cylinders
GB/T 14194-2017
Rules for filling of compressed gas cylinders
GB/T 34618-2017
Temperature detection method for judging internal leakage faults of working valves in steam drainage steam
GB/T 34391-2017
Reciprocating positive displacement pump for petroleum, petrochemical and natural gas industries
GB/T 30475.4-2017
Filters for compressed air—Test methods—Part 4: Water