Improvements relating to rotary pumps or compressors,申请号GB19290030111-传众专利搜索

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发明名称	Improvements relating to rotary pumps or compressors
摘要
申请公布号	GB331153(A)	申请公布日期	1930.06.26
申请号	GB19290030111	申请日期	1929.10.04
申请人	LOUIS-ILDEVERT POIRMEUR	发明人
分类号	F04C2/44	主分类号	F04C2/44
代理机构		代理人
主权项
地址

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