IEEE Std 315-1975(R1993) IEEE Standard American National Standard Canadian Standard Graphic Symbols for Electrical and Electronics Diagrams (Including Reference Designation Letters)
Institute of Electrical and Electronics Engineers (IEEE)
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IEEE Std 315-1975(R1993)
IEEE Std 315-1975(R1993) history
0000 IEEE Std 315-1975(R1993)
1975IEEE 315-1975 Graphic Symbols for Electrical and Electronics Diagrams (Including Reference Designation Class Designation Letters) CSA Z99-75; Includes supplement to ANSI Y32.2-75 and IEEE 315-75
1971IEEE 315-1971*ANSI Y32.2-1970 IEEE Standard and American National Standard for Electrical and Electronics Diagrams (Including Reference Designation class Designation Letters)