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Hebei Haihao GroupJISJAPANESEINDUSTRIALSTANDARDTranslated and Published byJapanese Standards Association)JISG3452:204(JISF)Carbon steel pipes for ordinarypiping2si化8a.U+4月128ICS23.040.1077.140.75Reference number JIS G 3452 2004 (E)PROTECTED BY COPYRIGHTEmail:sales@haihaogroup.comwww.haihaopiping.com
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