Language
CNS 1051 - 1959
IS 6760 - 1972
ASME/ANSI B 18.6.1 (T3) - 1997
ASME/ANSI B 18.6.1 (T2) - 1997
ASME/ANSI B 18.6.1 (T5) - 1997
ASME/ANSI B 18.6.1 (T4) - 1997
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