Refrigerating machine,申请号US19270239875-传众专利搜索

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发明名称	Refrigerating machine
摘要
申请公布号	US1859840(A)	申请公布日期	1932.05.24
申请号	US19270239875	申请日期	1927.12.14
申请人	METROPOLITAN ENGINEERING COMPANY	发明人	PHELPS GEORGE H.
分类号	F25B39/04;F25D23/00	主分类号	F25B39/04
代理机构		代理人
主权项
地址

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