Explosively actuated fastener driving tool

作者： Termet Pierre

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摘要:

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参考文章(5)

Robert Temple Jr., Method of forming bonds ,(1936)

Robley F Sopris, Device for inserting bolts in concrete ,(1946)

Weingart Ben, Means for positioning and holding fasteners in explosively actuated fastener drivingtools ,(1951)

Robert Temple, Explosively actuated driving tool with electric lock ,(1948)

Stephen M Dunn, Method of inserting bolts into concrete ,(1941)