Method of firing rotary kilns in the production of portland cement,申请号US19390276633-传众专利搜索

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发明名称	Method of firing rotary kilns in the production of portland cement
摘要
申请公布号	US2240485(A)	申请公布日期	1941.05.06
申请号	US19390276633	申请日期	1939.05.31
申请人	ARMEL HUGH M	发明人	ARMEL HUGH M.
分类号	F27B7/34	主分类号	F27B7/34
代理机构		代理人
主权项
地址

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