Shift mechanism for typewriters,申请号US19440563893-传众专利搜索

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发明名称	Shift mechanism for typewriters
摘要
申请公布号	US2396344(A)	申请公布日期	1946.03.12
申请号	US19440563893	申请日期	1944.11.17
申请人	BERT ALAN CRAWFORD	发明人	ROBESON EDNA G.
分类号	B41J25/24	主分类号	B41J25/24
代理机构		代理人
主权项
地址

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