Improvements in and connected with rotary pump machines,申请号GB19290022137-传众专利搜索

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发明名称	Improvements in and connected with rotary pump machines
摘要
申请公布号	GB338546(A)	申请公布日期	1930.11.18
申请号	GB19290022137	申请日期	1929.07.18
申请人	GEORGE EDWARD THOMAS EYSTON	发明人
分类号	F04B1/113	主分类号	F04B1/113
代理机构		代理人
主权项
地址

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