Carbon pack for manifolding typewriters,申请号US19410372747-传众专利搜索

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发明名称	Carbon pack for manifolding typewriters
摘要
申请公布号	US2393409(A)	申请公布日期	1946.01.22
申请号	US19410372747	申请日期	1941.01.02
申请人	PETIT LAURENCE A	发明人	PETIT LAURENCE A.
分类号	B41J17/00;B41L1/16	主分类号	B41J17/00
代理机构		代理人
主权项
地址

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