Method and apparatus of heating hydrocarbon oils,申请号US19330692804-传众专利搜索

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发明名称	Method and apparatus of heating hydrocarbon oils
摘要
申请公布号	US2090504(A)	申请公布日期	1937.08.17
申请号	US19330692804	申请日期	1933.10.09
申请人	ALCO PRODUCTS INCORPORATED	发明人	SCHUTT HERMANN C.;THROCKMORTON JOHN W.
分类号	C10G9/20	主分类号	C10G9/20
代理机构		代理人
主权项
地址

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