Shaft operating and locking apparatus,申请号US19320604157-传众专利搜索

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发明名称	Shaft operating and locking apparatus
摘要
申请公布号	US1887878(A)	申请公布日期	1932.11.15
申请号	US19320604157	申请日期	1932.04.09
申请人	THE UNION SWITCH & SIGNAL COMPANY	发明人	SMITH WILLIAM E.
分类号	G05G5/06	主分类号	G05G5/06
代理机构		代理人
主权项
地址

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