Purging system for refrigeration systems,申请号US19460708840-传众专利搜索

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发明名称	Purging system for refrigeration systems
摘要
申请公布号	US2464631(A)	申请公布日期	1949.03.15
申请号	US19460708840	申请日期	1946.11.09
申请人	WORTHINGTON PUMP AND MACHINERY CORPORATION	发明人	ZWICKL JOSEPH R.
分类号	F25B43/00	主分类号	F25B43/00
代理机构		代理人
主权项
地址

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