Reversible rotary pump,申请号US19290331445-传众专利搜索

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发明名称	Reversible rotary pump
摘要
申请公布号	US1850567(A)	申请公布日期	1932.03.22
申请号	US19290331445	申请日期	1929.01.10
申请人	ROMEC CORPORATION	发明人	ROESSLER AMANDUS C.
分类号	F04C14/04	主分类号	F04C14/04
代理机构		代理人
主权项
地址

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