Selector action for multiple key devices,申请号US19380198430-传众专利搜索

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发明名称	Selector action for multiple key devices
摘要
申请公布号	US2220075(A)	申请公布日期	1940.11.05
申请号	US19380198430	申请日期	1938.03.28
申请人	ROBERT H. MCCLINTIC	发明人	CARLSON GEORGE W.;PETERSON DAVID
分类号	B41B27/00;B41B27/04;B41J23/20	主分类号	B41B27/00
代理机构		代理人
主权项
地址

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