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经营范围
发明名称
Jointing ring or gasket and joints incorporating the same
摘要
申请公布号
GB9723561(D0)
申请公布日期
1998.01.07
申请号
GB19970023561
申请日期
1997.11.08
申请人
GLYNWED PIPE SYSTEMS LIMITED
发明人
分类号
E21D11/38;F16L21/03;F16L21/035
主分类号
E21D11/38
代理机构
代理人
主权项
地址
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