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经营范围
发明名称
Pressure-operated valve
摘要
申请公布号
GB2042129(A)
申请公布日期
1980.09.17
申请号
GB19790004781
申请日期
1979.02.10
申请人
DSB VALVES LTD
发明人
分类号
F16K11/044;F16K17/20;F16K47/00;(IPC1-7):F16K47/00
主分类号
F16K11/044
代理机构
代理人
主权项
地址
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