JCS 25.080.01 Standard of the Machinery Industry of the People's Republic of ChinabZxz.net JB/T9162.1-9162.48--1999 The parts and units of inspection jig The parts and units of inspection jig1999-05-20 Issued State Machinery Industry Bureau 2000-01-01 Implementation Standard of the Machinery Industry of the People's Republic of China 55° concave base Base with sso concave Small standard specifies the type and size of 55° lead-shaped table seat in inches, types and sizes. Types and sizes are as specified in the following figure and table: 02 Marking example: Marking of 55° concave table seat with size = 1mGnm 10×100 9162.4—1999 Guohao Machinery Industry Bureau approved 1999-05-20 16 JHT9162.4—1999 replaced by J44147 2000-01-01 implementation Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.