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This standard replaces JB 465-86 and JB 4338-86. This standard specifies the terminology, product classification, technical requir
This standard replaces JB 464-86 and JB 4338-86. This standard specifies the terminology, product classification, technical requir
This standard replaces JB 454-86 and JB 4346-86. JB/T 7658.16-1995 Ammonia liquid filter for ammonia refrigeration equipment JB/T7
This standard replaces JB 455-86 and JB 4346-86. JB/T 7658.15-1995 Ammonia filter for ammonia refrigeration equipment JB/T7658.15-
This standard replaces JB 456-86 and JB 4337-86. This standard specifies the terminology, product classification, technical requir
This standard replaces JB 458-86 and JB 4345-86. This standard specifies the terminology, product classification, technical requir
This standard replaces JB 4348-86 and JB 4345-86. JB/T 7658.12-1995 Emergency ammonia release device for ammonia refrigeration equ
This standard replaces JB 462-86 and JB 4344-86. This standard specifies the terminology, product classification, technical requir