PROCESS OF OPERATING HEARTH TYPE FURNACES,申请号CAD304543-传众专利搜索

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发明名称	PROCESS OF OPERATING HEARTH TYPE FURNACES
摘要
申请公布号	CA304543(A)	申请公布日期	1930.10.07
申请号	CAD304543	申请日期
申请人	THE AMERICAN SMELTING AND REFINING COMPANY	发明人	HUGH R. MACMICHAEL;HERMAN A. PROSSER
分类号		主分类号
代理机构		代理人
主权项
地址

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