Rotating drum typewriting machine,申请号US19540402015-传众专利搜索

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发明名称	Rotating drum typewriting machine
摘要
申请公布号	US2812048(A)	申请公布日期	1957.11.05
申请号	US19540402015	申请日期	1954.01.04
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	TIBBLING STIG B.
分类号	B41J7/02	主分类号	B41J7/02
代理机构		代理人
主权项
地址

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