Improvements in or relating to diffusion pumps,申请号GB19440004005-传众专利搜索

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发明名称	Improvements in or relating to diffusion pumps
摘要
申请公布号	GB565455(A)	申请公布日期	1944.11.10
申请号	GB19440004005	申请日期	1944.03.03
申请人	WESTINGHOUSE ELECTRIC INTERNATIONAL COMPANY	发明人
分类号	F04F9/00	主分类号	F04F9/00
代理机构		代理人
主权项
地址

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