IMPROVEMENTS RELATING TO VALVE,申请号GB19880030033-传众专利搜索

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发明名称	IMPROVEMENTS RELATING TO VALVE
摘要
申请公布号	GB8830033(D0)	申请公布日期	1989.02.15
申请号	GB19880030033	申请日期	1988.12.22
申请人	DURRANT, DAVID K	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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