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发明名称
Improved method of and machine for sharpening rock drills
摘要
申请公布号
GB482810(A)
申请公布日期
1938.04.05
申请号
GB19370031784
申请日期
1937.11.18
申请人
AKTIEBOLAGET ATLAS DIESEL
发明人
分类号
B21K5/06
主分类号
B21K5/06
代理机构
代理人
主权项
地址
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