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经营范围
发明名称
CONTINUOUS MINER WITH DUCT ASSEMBLY
摘要
申请公布号
GB2241268(B)
申请公布日期
1993.02.24
申请号
GB19910006639
申请日期
1991.03.28
申请人
* TAMROCK WORLD CORPORATION N V
发明人
MAURICE K * LE BEGUE;HENRY E * WILSON
分类号
E21C35/22
主分类号
E21C35/22
代理机构
代理人
主权项
地址
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