Screw-type rotary fluid machine and method of treating rotor surfaces thereof,申请号GB19940007827-传众专利搜索

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发明名称	Screw-type rotary fluid machine and method of treating rotor surfaces thereof
摘要
申请公布号	GB9407827(D0)	申请公布日期	1994.06.15
申请号	GB19940007827	申请日期	1994.04.20
申请人	HITACHI, LTD.	发明人
分类号	F04C18/08;F04C29/02	主分类号	F04C18/08
代理机构		代理人
主权项
地址

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