Multistage hot-water centrifugal pump,申请号US19290391011-传众专利搜索

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发明名称	Multistage hot-water centrifugal pump
摘要
申请公布号	US1765895(A)	申请公布日期	1930.06.24
申请号	US19290391011	申请日期	1929.09.07
申请人	GEORG WEYLAND	发明人	WEYLAND GEORG
分类号	F04D7/06	主分类号	F04D7/06
代理机构		代理人
主权项
地址

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