General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 3168-1993
Replace
GB 3168-1982
Scope
This standard specifies various operation indication symbols for numerically controlled metal cutting machine tools. This standard applies to the operation instruction signs, operation panels and signs of the numerical control of machine tools.
GB/T 3168-1993 history
1993GB/T 3168-1993 Numerical control of machines-Symbols