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摘要
申请公布号
GB9724451(D0)
申请公布日期
1998.01.14
申请号
GB19970024451
申请日期
1997.11.20
申请人
BROWN, JOHN;CAMPBELL, IAIN A
发明人
分类号
E02D29/12
主分类号
E02D29/12
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代理人
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