Rotary pump,申请号US19280322423-传众专利搜索

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发明名称	Rotary pump
摘要
申请公布号	US1781065(A)	申请公布日期	1930.11.11
申请号	US19280322423	申请日期	1928.11.28
申请人	LEWIS HERMAN P;PETERS EMERSON S	发明人	LEWIS HERMAN P.;PETERS EMERSON S.
分类号	F04D1/12	主分类号	F04D1/12
代理机构		代理人
主权项
地址

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