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发明名称	Copyholder
摘要
申请公布号	US2506456(A)	申请公布日期	1950.05.02
申请号	US19460702520	申请日期	1946.10.10
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	JACKSON CARLTON T.
分类号	B41J29/15	主分类号	B41J29/15
代理机构		代理人
主权项
地址

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