Process to render water-repellent building materials,申请号US19560625255-传众专利搜索

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发明名称	Process to render water-repellent building materials
摘要
申请公布号	US2982674(A)	申请公布日期	1961.05.02
申请号	US19560625255	申请日期	1956.11.30
申请人	UNION CHIMIQUE BELGE, S.A.	发明人	GANCBERG ABRAAM
分类号	C04B41/49;C04B41/64	主分类号	C04B41/49
代理机构		代理人
主权项
地址

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