Complex dry vacuum pump having Roots and screw rotors,申请号EP20070252967-传众专利搜索

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发明名称	Complex dry vacuum pump having Roots and screw rotors
摘要
申请公布号	EP1882856(B1)	申请公布日期	2012.11.28
申请号	EP20070252967	申请日期	2007.07.27
申请人	LOT VACUUM CO., LTD.	发明人	HWANG, TAE KYONG;NOH, MYUNG KEUN;OH, HEAUNG SHIG
分类号	F04C18/08;F04C18/12;F04C18/16;F04C23/00;F04C29/00	主分类号	F04C18/08
代理机构		代理人
主权项
地址

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