JB/T 5153.1-1991 Plate and frame pressure oil filter type and basic parameters JB/T5153.1-1991 standard download decompression pas

Replaced by JB/T 4333.1-2005 JB/T 5152-1991 Chamber filter press and plate and frame filter press types and basic parameters JB/T5

This standard specifies the types and basic parameters of air-to-air heat recovery devices for air conditioning and ventilation. T

This standard specifies the test methods for variable air volume terminal devices. JB/T 5148-1991 Test methods for variable air vo

This standard specifies the performance test method for humidifiers for air conditioning equipment (hereinafter referred to as "hu

This standard specifies the terminology, types and basic parameters of humidifiers for air conditioning equipment. This standard a

This standard specifies the test items, test requirements and test methods for oil-injected screw single-stage refrigeration compr

This standard specifies the technical requirements, inspection rules, marking, packaging and storage of oil-injected screw single-