Improvements in or Relating to Gate Valves,申请号GB19790034949-传众专利搜索

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发明名称	Improvements in or Relating to Gate Valves
摘要
申请公布号	GB2042683(A)	申请公布日期	1980.09.24
申请号	GB19790034949	申请日期	1979.10.09
申请人	NEPTUNE GLENFIELD LTD	发明人
分类号	F16K3/28;F16K31/50;(IPC1-7):F16K3/00	主分类号	F16K3/28
代理机构		代理人
主权项
地址

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