Liquid nitrogen pump,申请号US19570687662-传众专利搜索

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发明名称	Liquid nitrogen pump
摘要
申请公布号	US3070022(A)	申请公布日期	1962.12.25
申请号	US19570687662	申请日期	1957.10.02
申请人	THOMPSON RAMO WOOLDRDGE INC.	发明人	MCCORMACK ALEX A.
分类号	F01L23/00;F04B9/127;F04B15/08;F04B53/10;F04B53/14	主分类号	F01L23/00
代理机构		代理人
主权项
地址

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