Apparatus for punching holes in structural shapes,申请号US19660575452-传众专利搜索

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发明名称	Apparatus for punching holes in structural shapes
摘要
申请公布号	US3391593(A)	申请公布日期	1968.07.09
申请号	US19660575452	申请日期	1966.08.26
申请人	JOHN M. JORDAN	发明人	JORDAN JOHN M.
分类号	B21D28/24	主分类号	B21D28/24
代理机构		代理人
主权项
地址

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