Continuous heating furnace,申请号US19390300685-传众专利搜索

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发明名称	Continuous heating furnace
摘要
申请公布号	US2235771(A)	申请公布日期	1941.03.18
申请号	US19390300685	申请日期	1939.10.23
申请人	SURFACE COMBUSTION CORPORATION	发明人	MCDERMOTT GEORGE R.
分类号	F27B9/22;F27D3/02	主分类号	F27B9/22
代理机构		代理人
主权项
地址

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