Rotary vacuum pump of the liquid-ring type,申请号US19650494807-传众专利搜索

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发明名称	Rotary vacuum pump of the liquid-ring type
摘要
申请公布号	US3366314(A)	申请公布日期	1968.01.30
申请号	US19650494807	申请日期	1965.10.11
申请人	SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT	发明人	SCHRODER ERICH
分类号	F04C19/00;F04C29/12	主分类号	F04C19/00
代理机构		代理人
主权项
地址

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