Typist's hand rest,申请号US19290352355-传众专利搜索

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发明名称	Typist's hand rest
摘要
申请公布号	US1801669(A)	申请公布日期	1931.04.21
申请号	US19290352355	申请日期	1929.04.04
申请人	HINTZ EDWARD C;KLIPFEL THOMAS W	发明人	HINTZ EDWARD C.;KLIPFEL THOMAS W.
分类号	B41J29/00	主分类号	B41J29/00
代理机构		代理人
主权项
地址

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