Gas and liquid transfer pump,申请号US19320624636-传众专利搜索

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发明名称	Gas and liquid transfer pump
摘要
申请公布号	US1970366(A)	申请公布日期	1934.08.14
申请号	US19320624636	申请日期	1932.07.25
申请人	EKMAN SVEN S	发明人	EKMAN SVEN S.
分类号	F04D23/00	主分类号	F04D23/00
代理机构		代理人
主权项
地址

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