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发明名称
HYDRAULIC DRILLING EQUIPMENT
摘要
申请公布号
GB2095593(B)
申请公布日期
1985.06.12
申请号
GB19810010235
申请日期
1981.04.01
申请人
COAL INDUSTRY (PATENTS) LTD
发明人
分类号
B23B47/22;B23Q5/26;B23Q5/50;(IPC1-7):B23G1/20
主分类号
B23B47/22
代理机构
代理人
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地址
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