Improvements in carbon paper holders,申请号GB19300018187-传众专利搜索

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发明名称	Improvements in carbon paper holders
摘要
申请公布号	GB356315(A)	申请公布日期	1931.09.10
申请号	GB19300018187	申请日期	1930.06.13
申请人	CHARLES LAWRENCE KELLY	发明人
分类号	B41L1/16	主分类号	B41L1/16
代理机构		代理人
主权项
地址

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