1983资源列表
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[国外标准] DIN 1788-1983 Strips and sheets of wrought aluminium and aluminium alloys with thicknesses from 0 02
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[国外标准] DIN 1745-1-1983 Wrought aluminium and aluminium alloy plate sheet and strip greater than 0 35 mm in
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[国外标准] BS 1449-1-1983 steel plate,sheet strip Part1 Specification for carbonand carbonmenganese plate, shee