Language
GB /T 902.2 (ID) - 2010
ISO 13918 (ID) - 2008
ASME/ANSI B 18.6.1 (T11) - 1981 (R2016)
DIN 74361-2 (F) - 1982
DIN 74361-2 (F) - 2008
JIS D 2701 - 1993
GB /T 100 - 1986
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