Manufacture of slag cement,申请号US19350042359-传众专利搜索

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发明名称	Manufacture of slag cement
摘要
申请公布号	US2049881(A)	申请公布日期	1936.08.04
申请号	US19350042359	申请日期	1935.09.26
申请人	GEORGE WITTY	发明人	WITTY GEORGE
分类号	C04B28/08	主分类号	C04B28/08
代理机构		代理人
主权项
地址

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