Manufacture of high alumina cement,申请号US19310560677-传众专利搜索

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发明名称	Manufacture of high alumina cement
摘要
申请公布号	US1913943(A)	申请公布日期	1933.06.13
申请号	US19310560677	申请日期	1931.09.01
申请人	DOHERTY RESEARCH COMPANY	发明人	MORGAN JOHN D.
分类号	C04B7/32	主分类号	C04B7/32
代理机构		代理人
主权项
地址

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