Tiêu chuẩn tương đương
DIN 2527 (1972-04), MOD * BS MA 9 (1970-08-20), MOD * GB/T 589 (1993), NEQ * GB/T 592 (1993), NEQ * GB/T 1854 (1993), NEQ * GB/T 1855 (1993), NEQ * GB/T 1856 (1993), NEQ * GB/T 2499 (1993), NEQ * GB/T 2501 (1989), NEQ * NF E29-201 (1976-07-01), NEQ * E29-226 (1982-06-01), MOD * E29-296 (1982-06-01), MOD * SS 335 (1979-07-01), NEQ * SMS 347 (1977-11-15), NEQ * SMS 348 (1977-11-15), NEQ * SMS 359 (1977-11-15), NEQ * SMS 360 (1977-11-15), NEQ * SMS 361 (1977-11-15), NEQ * SMS 2023 (1977-11-15), NEQ * SS 2024 (1979-04-01), IDT * SMS 2025 (1977-11-15), NEQ * SMS 2031 (1977-11-15), NEQ * SMS 2033 (1977-11-15), NEQ * SMS 2038 (1977-11-15), NEQ * SMS 2039 (1977-11-15), NEQ * SMS 2040 (1977-11-15), NEQ * SS 2049 (1988-12-07), NEQ * SS 2050 (1988-12-07), NEQ * SS 2051 (1988-12-07), NEQ * SS 2052 (1988-12-07), NEQ * UNE 68074 (1986-12-15), NEQ * AMD 1256 (1973), MOD * AMD 1759 (1975), MOD * AMD 2267 (1977), MOD * NS 2525 (1980), MOD * NS 2526 (1980), MOD * NS 2527 (1980), MOD * NS 2529 (1980), MOD * NS 2530 (1982), MOD * NS 2531 (1982), MOD * NS 2534 (1982), MOD * NS 2535 (1982), MOD * NS 2537 (1982), MOD * NS 2538 (1982), MOD * NS 2539 (1982), MOD * NS 2682 (1982), MOD * NS 2683 (1982), MOD * NS 2684 (1982), MOD * NS 2685 (1982), MOD * SFS 2123 (1977), IDT