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发明名称	Pump
摘要
申请公布号	US2019969(A)	申请公布日期	1935.11.05
申请号	US19350019253	申请日期	1935.05.01
申请人	HOLMES ROBERT E L	发明人	HOLMES ROBERT E. L.
分类号	F04B53/12	主分类号	F04B53/12
代理机构		代理人
主权项
地址

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