Improvements in and relating to ejectors,申请号GB19310031774-传众专利搜索

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发明名称	Improvements in and relating to ejectors
摘要
申请公布号	GB371773(A)	申请公布日期	1932.04.28
申请号	GB19310031774	申请日期	1931.11.16
申请人	RUSSELL BLACK	发明人
分类号	F04F5/46	主分类号	F04F5/46
代理机构		代理人
主权项
地址

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