Machine and method for closing metal tubes,申请号US19430478843-传众专利搜索

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发明名称	Machine and method for closing metal tubes
摘要
申请公布号	US2568991(A)	申请公布日期	1951.09.25
申请号	US19430478843	申请日期	1943.03.11
申请人	BENDIX AVIATION CORPORATION	发明人	DEWEY CLARENCE L.
分类号	B21D41/04	主分类号	B21D41/04
代理机构		代理人
主权项
地址

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