Typewriting device,申请号US19530351364-传众专利搜索

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发明名称	Typewriting device
摘要
申请公布号	US2742131(A)	申请公布日期	1956.04.17
申请号	US19530351364	申请日期	1953.04.27
申请人	SOCIETE DIMAR;SOCIETE BARFRED	发明人	PETIT ROGER MARCEAU
分类号	B41J23/04	主分类号	B41J23/04
代理机构		代理人
主权项
地址

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