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发明名称
CUTTING TOOL
摘要
申请公布号
GB8510083(D0)
申请公布日期
1985.05.30
申请号
GB19850010083
申请日期
1985.04.19
申请人
COAL INDUSTRY (PATENTS) LTD
发明人
分类号
E21C35/18;E21C35/187
主分类号
E21C35/18
代理机构
代理人
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地址
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