BASE-EXCHANGE MATERIAL PREPARATION,申请号CAD353991-传众专利搜索

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发明名称	BASE-EXCHANGE MATERIAL PREPARATION
摘要
申请公布号	CA353991(A)	申请公布日期	1935.11.05
申请号	CAD353991	申请日期
申请人	PETER SPENCE AND SONS	发明人	HOWARD SPENCE;GEORGE OSBORNE
分类号		主分类号
代理机构		代理人
主权项
地址

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