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发明名称
FIRE RESISTANT CONNECTIONS AND U-LIKE SEALING MEANS THEREFOR
摘要
申请公布号
GB2135402(B)
申请公布日期
1986.11.26
申请号
GB19840004014
申请日期
1984.02.15
申请人
* GRAY TOOL COMPANY
发明人
FRANK CHARLES * ADEMEK
分类号
E21B33/00;E21B33/03;F16J15/02;(IPC1-7):F16J15/08
主分类号
E21B33/00
代理机构
代理人
主权项
地址
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