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发明名称
Hot tapping tool
摘要
申请公布号
GB9927275(D0)
申请公布日期
2000.01.12
申请号
GB19990027275
申请日期
1999.11.19
申请人
GAS & HYDRAULICS ENGINEERING & FABRICATION LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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