This standard specifies the general graphic symbols used for equipment (hereinafter referred to as general symbols). This standard is applicable to the adjustment parts, operating parts, instrument displays and various connection sockets of each equipment.
GB/T 16273.1-1996 history
2008GB/T 16273.1-2008 Graphical symbols for use on equipment.Part 1: Common symbols
1996GB/T 16273.1-1996 Graphical symbols for use on equipment--Common symbols