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GB/T 21283.1-2007
Rotary shaft lip-type seals incorporating thermoplastic sealing elements－Part 1: Nominal dimensions and tolerances
GB/T 21283.2-2007
Rotary shaft lip-type seals incorporating thermoplastic sealing element - Part 2：Vocabulary
GB/T 13871.4-2007
Rotary shaft lip type seals incorporating elastomeric sealing elements - Part 4：Performance test procedures
GB/T 13871.1-2007
Rotary shaft lip type seals incorporating elastomeric sealing elements - Part 1: Nominal dimensions and tolerances
GB/T 12721-2007
Rubber hoses - Determination of abrasion resistance of the outer cover
GB/T 21231-2007
Acoustics - Method for the measurement of airborne noise emitted by small air-moving devices
GB/T 9130-2007
Specification of ring joint gaskets for pipe flange
GB/T 3215-2007
centrifugal pumps for petroleum petrochemical and natural gas industries
GB/T 3214-2007
Methods for measurement of capacity of pump
GB/T 4622.3-2007
Specification for spiral wound gaskets
GB/T 3452.2-2007
Fluid power systems-O-rings - Part 2: Quality acceptance criteria
GB/T 14041.2-2007
Hydraulic fluid power - Filter elements - Verification of material compatibility with fluids
GB/T 2877-2007
Hydraulic fluid power - Two-port slip-in cartridge valves - Cavities
GB/T 20910-2007
Temperature/pressure safety valve for hot water supply system
GB/T 12237-2007
Steel ball valves for petroleum, petrochemical and allied industries
GB/T 12235-2007
Steel globe valves and lift check valve for petroleum, petrochemical and allied industries
GB/T 12234-2007
Bolted bonnet steel gate valves for petroleum and natural gas industries
GB/T 14041.1-2007
Hydraulic fluid power - Filter element - Verification of fabrication integrity and determination of the first bubble point
GB/T 13380-2007
A．C．electric fans and regulators
GB/T 20801.4-2006
Pressure piping code - Industrial piping - Part 4: Fabrication and assembly