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发明名称
Improvements in or relating to cutter tools for mining machines
摘要
申请公布号
GB729796(A)
申请公布日期
1955.05.11
申请号
GB19530005695
申请日期
1953.02.28
申请人
ANDERSON, BOYES & COMPANY LIMITED
发明人
ANDERSON ALEXANDER
分类号
E21C35/18
主分类号
E21C35/18
代理机构
代理人
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地址
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