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发明名称
Improvements in or relating to cutter pick securing
摘要
申请公布号
GB1071493(A)
申请公布日期
1967.06.07
申请号
GB19630013189
申请日期
1963.04.03
申请人
P. & V. (MINING & ENGINEERING) LIMITED
发明人
FURBY JIM
分类号
E21C35/19
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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