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发明名称
Schneide für Steinbearbeitungswerkzeuge, insbesondere für Gesteinsbohrer
摘要
申请公布号
CH319485(A)
申请公布日期
1957.02.28
申请号
CHD319485
申请日期
1953.12.29
申请人
STORA KOPPARBERGS BERGSLAGS AKTIEBOLAG
发明人
ING. WOLFF,HANS HERMANN,DR.
分类号
E21B10/46
主分类号
E21B10/46
代理机构
代理人
主权项
地址
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