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发明名称
Pipeline closure
摘要
申请公布号
GB0912631(D0)
申请公布日期
2009.08.26
申请号
GB20090012631
申请日期
2009.07.21
申请人
PIPELINE ENGINEERING AND SUPPLY COMPANY LIMITED
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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