Heat exchanger for secondary refrigerating systems,申请号US19470781325-传众专利搜索

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发明名称	Heat exchanger for secondary refrigerating systems
摘要
申请公布号	US2503922(A)	申请公布日期	1950.04.11
申请号	US19470781325	申请日期	1947.10.22
申请人	GENERAL ELECTRIC COMPANY	发明人	SCHUMACHER FRANK A.
分类号	F25D11/02;F28D7/00	主分类号	F25D11/02
代理机构		代理人
主权项
地址

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