Permutatively operable keyboard and character selecting mechanism for writing machines,申请号US19500148597-传众专利搜索

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发明名称	Permutatively operable keyboard and character selecting mechanism for writing machines
摘要
申请公布号	US2666516(A)	申请公布日期	1954.01.19
申请号	US19500148597	申请日期	1950.03.09
申请人	ALESSANDRO BONI	发明人	BONI ALESSANDRO
分类号	B41J23/22	主分类号	B41J23/22
代理机构		代理人
主权项
地址

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