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发明名称
IMPROVEMENTS IN OR RELATING TO MINING EQUIPMENT
摘要
申请公布号
GB2114191(B)
申请公布日期
1985.12.18
申请号
GB19830002407
申请日期
1983.01.28
申请人
* DOBSON PARK INDUSTRIES PLC
发明人
JOHN * COOKE
分类号
E21D9/10;E21D9/12;(IPC1-7):E21D9/10
主分类号
E21D9/10
代理机构
代理人
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地址
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