BS A 31-54-1951 标准详情
- 标准号:BS A 31-54-1951
- 中文标题:航空用英国协会低抗拉强度螺钉和螺母规范
- 英文标题:Specification for British Association (B.A.) low tensile screws and nuts for aeronautical purposes
- 标准类别:英国标准
- 发布日期:1951-03-30
These British Standards cover dimensions, material, finish and part numbers for British Association (B.A.) cheese, round, countersunk, and raised-countersunk head screws, and dimensions, material, finish and code letters for British Association (B.A.
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