Power mechanism for typewriting machines,申请号US19470726924-传众专利搜索

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发明名称	Power mechanism for typewriting machines
摘要
申请公布号	US2489826(A)	申请公布日期	1949.11.29
申请号	US19470726924	申请日期	1947.02.06
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	SMATHERS JAMES F.
分类号	B41J23/12	主分类号	B41J23/12
代理机构		代理人
主权项
地址

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