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JB/T 9163.3-1999 JB/T 9163.3-1999 Gear Hobbing Mandrel Dimensions JB/T9163.3-1999 Standard download decompression password: www.bz
JB/T 9163.2-1999 JB/T 9163.2-1999 Dimensions of positioning gear hobbing fixture JB/T9163.2-1999 Standard download decompression p
JB/T 9163.1-1999 JB/T 9163.1-1999 Gear Hobbing Fixture Dimensions JB/T9163.1-1999 Standard download decompression password: www.bz
JB/T 9162.48-1999 JB/T 9162.48-1999 Dimensions of screw-type active center seats JB/T9162.48-1999 Standard download decompression
JB/T 9162.47-1999 JB/T 9162.47-1999 Spring-loaded movable center seat dimensions JB/T9162.47-1999 Standard download decompression
This standard specifies the altitude classification, climate and environmental parameters, the relationship between product perfor
This standard specifies the use environment conditions, terminology, basic classification, rated parameters, design and structure,
This standard replaces JB 4351-86, JB 4347-86 and JB 459-86. JB/T 7658.7-1995 Agitator for ammonia refrigeration equipment JB/T765