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发明名称	Copyholder
摘要
申请公布号	US2228002(A)	申请公布日期	1941.01.07
申请号	US19390307684	申请日期	1939.12.05
申请人	CONRAD RUSSELL F	发明人	CONRAD RUSSELL F.
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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