Furnace roof and wall structure,申请号US19490074840-传众专利搜索

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发明名称	Furnace roof and wall structure
摘要
申请公布号	US2606017(A)	申请公布日期	1952.08.05
申请号	US19490074840	申请日期	1949.02.05
申请人	LONGENECKER LEVI S	发明人	LONGENECKER LEVI S.
分类号	F27D1/00;F27D1/02	主分类号	F27D1/00
代理机构		代理人
主权项
地址

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