Calcining furnace and heating means therefor,申请号US19370147678-传众专利搜索

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发明名称	Calcining furnace and heating means therefor
摘要
申请公布号	US2150532(A)	申请公布日期	1939.03.14
申请号	US19370147678	申请日期	1937.06.11
申请人	WIEGAND	发明人	WIEGAND EDWIN L.;OLSON OSCAR R.
分类号	B01J6/00	主分类号	B01J6/00
代理机构		代理人
主权项
地址

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