Heater or cooler,申请号US19270232745-传众专利搜索

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发明名称	Heater or cooler
摘要
申请公布号	US1811402(A)	申请公布日期	1931.06.23
申请号	US19270232745	申请日期	1927.11.12
申请人	ANDALE ENGINEERING COMPANY	发明人	MCNEAL DANIEL RAYMOND
分类号	F28D7/16	主分类号	F28D7/16
代理机构		代理人
主权项
地址

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