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发明名称
Improvements in or relating to valves
摘要
申请公布号
GB9326595(D0)
申请公布日期
1994.03.02
申请号
GB19930026595
申请日期
1993.12.31
申请人
HALLAM RICHARD G.
发明人
分类号
主分类号
代理机构
代理人
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地址
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