NF C51-312*NF EN 60034-12 + A2 (1996-03-01), IDT *
SANS 60034-12:1980*SABS IEC 60034-12:1980 (1994-10-05) * DIN 57530-12 (1982-10), MOD * DIN EN 60034-12 (1996-11), MOD * DIN VDE 0530-12 (1986-05), IDT * DIN VDE 0530-12 (1993-09), MOD * DIN VDE 0530-12 (1987-08), MOD * BS 4999-41 (1976-12-31), NEQ * BS 4999-112 (1987-01-30), NEQ * BS EN 60034-12 (1996-01-15), MOD * EN 60034-12 (1995-08), MOD * prEN 60034-12 (1995-02), MOD * HD 53.12 S1 (1986), MOD * JIS C 4210 (1983-10-01), NEQ * JIS C 4210 (2001-08-20), MOD * SEV-ASE 3009-12 (1981), IDT * OEVE EN 60034-12 (1995-10-03), MOD * OEVE HD 53.12 S1 (1992-05-06), MOD * SS-IEC 34 (1986-09-15), MOD * SS-EN 60034-12 (1996-06-14), MOD * UNE 20162 (1983-12-15), IDT * UNE-EN 60034-12 (1997-05-22), IDT * GOST 28327 (1989), IDT * GOST 28330 (1989), IDT * TS 6848 (1989-04-11), IDT * CEI 2-15 (1987), IDT * DS/IEC 34-12 (1986), IDT * NEN 270.80 (1980), MOD * NEN 10034-12 (1987), IDT * SN-413009-12z, MOD * STN 35 0000-12 (1990-11-16), IDT * STN EN 60034-12 (2001-10-01), MOD * SABS IEC 60034-12:1980 (1994-10-05), IDT * NEN 10034-12:1993 en;fr (1993-07-01), MOD * NEN 10034-12:1995 en;fr (1995-10-01), MOD * SABS IEC 60034-12:1980 (1994-10-05), IDT