Automatic motorized typewriter,申请号US19390257775-传众专利搜索

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发明名称	Automatic motorized typewriter
摘要
申请公布号	US2247275(A)	申请公布日期	1941.06.24
申请号	US19390257775	申请日期	1939.02.23
申请人	BUCKLEY ARTHUR H	发明人	BUCKLEY ARTHUR H.
分类号	B41J5/38;B41J23/22	主分类号	B41J5/38
代理机构		代理人
主权项
地址

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