Switching mechanism,申请号US19420450870-传众专利搜索

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发明名称	Switching mechanism
摘要
申请公布号	US2396787(A)	申请公布日期	1946.03.19
申请号	US19420450870	申请日期	1942.07.14
申请人	MORGAN CONSTRUCTION COMPANY	发明人	HAWTHORNE CHARLES W.;MALM GEORGE P.
分类号	B21B39/18	主分类号	B21B39/18
代理机构		代理人
主权项
地址

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