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This standard specifies the terms and definitions of environmental protection equipment, and explains the basic characteristics an
JB/T 6924-1998 This standard is a revision of JB/T 6924-93. This standard specifies the method for compiling drying equipment mode
This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules and marking, packagi
JB/T 6922-1993 Vacuum Evaporation Coating Equipment JB/T6922-1993 Standard Download Decompression Password: www.bzxz.net
JB/T 6921-1993 Roots vacuum pump unit JB/T6921-1993 Standard download and decompression password: www.bzxz.net
JB/T 6918-1993 Metal and glass sintered liquid level gauge and sight glass for refrigeration JB/T6918-1993 Standard download and d
This standard specifies the test methods for refrigeration compressors for automotive air conditioners. This standard applies to o
This standard specifies the test conditions, instruments and items for automobile air conditioners. This standard applies to the c