国外标准列表
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[国外标准] DIN EN 1706-1998 Aluminium and aluminium alloys - Castings - Chemical composition and mechanical pro
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[国外标准] DIN EN 1599-1997 Welding consumables. Covered electrodes for manual metal arc welding of creep-resis
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[国外标准] DIN EN 13565-1-2004 Fixed firefighting systems – Foam systems Part 1 Requirements and test methods f