Wet vacuum pump and rotor therefor,申请号US19340716225-传众专利搜索

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发明名称	Wet vacuum pump and rotor therefor
摘要
申请公布号	US1988875(A)	申请公布日期	1935.01.22
申请号	US19340716225	申请日期	1934.03.19
申请人	CARLOS SABORIO	发明人	SABORIO CARLOS
分类号	F04D17/18	主分类号	F04D17/18
代理机构		代理人
主权项
地址

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