Attachment for typewriters,申请号US19400361165-传众专利搜索

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发明名称	Attachment for typewriters
摘要
申请公布号	US2298742(A)	申请公布日期	1942.10.13
申请号	US19400361165	申请日期	1940.10.14
申请人	LAROSE ANNA M	发明人	LAROSE ANNA M.
分类号		主分类号
代理机构		代理人
主权项
地址

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