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经营范围
发明名称
Sealing of valves
摘要
申请公布号
GB2421773(B)
申请公布日期
2007.03.21
申请号
GB20050026146
申请日期
2003.05.14
申请人
ROBERT PETER ENSTON
发明人
ROBERT PETER ENSTON
分类号
F16L41/06;F16K3/36
主分类号
F16L41/06
代理机构
代理人
主权项
地址
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