This standard specifies the voltage range of electrical installations. This standard applies to DC electrical installations with a

This standard specifies the method for measuring the sound power level of dryer noise. This standard is applicable to the measurem

This standard specifies the structural type and basic parameters, technical requirements, test methods, inspection rules and packa

This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules and marking, packagi

This standard specifies the test methods for the physical, mechanical and electrical properties of pressure-sensitive adhesive tap

This standard specifies the classification, code, appearance, size, inspection rules, marking, packaging, transportation and stora

This standard specifies the terminology, code, type and basic parameters of liquid viscous speed regulator. JB/T 5968-1991 Type an

This standard specifies the quality grade of air medium used in pneumatic components and systems. JB/T 5967-1991 Quality grade of