标准名称：ASME B18.2.1-2010 Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
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标准大小：642.75 KB
标准状态：现行
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更新日期：2011年11月13日
内容简介
ASME B18.2.1-2010 Square, Hex, Heavy Hex, and Askew Head Bolts and Hex,
Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
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