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[国外标准] JIS G3455:2012 Carbon steel pipes for high pressure service
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[国外标准] JIS G3448:2012 Light gauge stainless steel tubes for ordinary piping
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[国外标准] JIS G3446:2012 Stainless steel pipes for machine and structural purposes
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[国外标准] JIS G3312-2012 Prepainted hot-dip zinc-coated steel sheet and strip
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[国外标准] JIS G3103:2012 Carbon steel and molybdenum alloy steel plates for boilers and
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