A process for colouring concrete,申请号GB19300017375-传众专利搜索

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发明名称	A process for colouring concrete
摘要
申请公布号	GB347523(A)	申请公布日期	1931.04.30
申请号	GB19300017375	申请日期	1930.06.05
申请人	JOHN FILLANS BARR	发明人
分类号	C04B41/50;C04B41/65	主分类号	C04B41/50
代理机构		代理人
主权项
地址

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