Improvements in carbon copying systems,申请号GB19320017543-传众专利搜索

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发明名称	Improvements in carbon copying systems
摘要
申请公布号	GB387579(A)	申请公布日期	1933.02.09
申请号	GB19320017543	申请日期	1932.06.21
申请人	GEORGE UBALDO LACROIX	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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