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现行 BS +A 309:1994
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Bolts, large hexagonal head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions 大六角头螺栓 标准或中径杆 长MJ螺纹 金属材料 有涂层或无涂层 强度等级小于或等于1100 MPa 尺寸
发布日期: 1994-08-15
交叉引用:BS 6293:第22A部分231BS EN 20286-2
Cross References:BS 6293:Part 22A 231BS EN 20286-2
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发布单位或类别: 英国-英国标准学会
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