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发明名称
Fastening means
摘要
申请公布号
GB2001361(A)
申请公布日期
1979.01.31
申请号
GB19780029857
申请日期
1978.07.14
申请人
COAL IND LTD
发明人
分类号
E21D19/02;(IPC1-7):E21D19/02;D05B91/02
主分类号
E21D19/02
代理机构
代理人
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