Retarder composition for cement mixtures,申请号US19390290925-传众专利搜索

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发明名称	Retarder composition for cement mixtures
摘要
申请公布号	US2211368(A)	申请公布日期	1940.08.13
申请号	US19390290925	申请日期	1939.08.18
申请人	DICKENS CHARLES H	发明人	DICKENS CHARLES H.
分类号	C04B28/04	主分类号	C04B28/04
代理机构		代理人
主权项
地址

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