Improvements in rotary pumps and engines,申请号GB19490025498-传众专利搜索

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发明名称	Improvements in rotary pumps and engines
摘要
申请公布号	GB667140(A)	申请公布日期	1952.02.27
申请号	GB19490025498	申请日期	1949.10.04
申请人	HENRI CHARLES GUSTAVE VINCENT	发明人
分类号	F01C21/08	主分类号	F01C21/08
代理机构		代理人
主权项
地址

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