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发明名称
Hydraulisch betätigtes Gerät zum mechanischen Zerlegen von Gestein
摘要
申请公布号
CH486299(A)
申请公布日期
1970.02.28
申请号
CH19670008474
申请日期
1967.06.15
申请人
DARDA,HELMUT
发明人
DARDA,HELMUT
分类号
E21C37/02;E21C37/04;(IPC1-7):B28D1/22
主分类号
E21C37/02
代理机构
代理人
主权项
地址
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