Improvements in high speed high vacuum pumping installations,申请号GB19340018187-传众专利搜索

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发明名称	Improvements in high speed high vacuum pumping installations
摘要
申请公布号	GB437972(A)	申请公布日期	1935.11.08
申请号	GB19340018187	申请日期	1934.06.19
申请人	HAROLD SMETHURST;FRANK EDMUND BANCROFT;GODFREY BURROWS;ASSOCIATED ELECTRICAL INDUSTRIES LIMITED	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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