This standard stipulates the time standards for rice gold operation. This standard is applicable to the processing operations of various metal plates and profiles (steel plates, aluminum plates, profiles, flat steel, angle steel, channel steel, etc.) in the geological instrument manufacturing industry. It is also applicable to manual oxygen-acetylene gas welding (mild steel, copper, Aluminum) and manual arc welding, argon arc welding. The measurement units used in this standard are minutes (min) for time and millimeters (mm) for length.
DZ/T 0101.7-1994 history
1994DZ/T 0101.7-1994 Geological instrumentation manufacturing time quota sheet metal