Improvements in or relating to high-vacuum diffusion pumps,申请号GB19530030468-传众专利搜索

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发明名称	Improvements in or relating to high-vacuum diffusion pumps
摘要
申请公布号	GB746393(A)	申请公布日期	1956.03.14
申请号	GB19530030468	申请日期	1953.11.04
申请人	W. C. HERAEUS G.M.B.H.	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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