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发明名称
Kallioporakoneen syöttöpalkki
摘要
申请公布号
FI924284(A0)
申请公布日期
1992.09.24
申请号
FI19920004284
申请日期
1992.09.24
申请人
TAMROCK OY
发明人
JANTUNEN, HEIKKI
分类号
E21B19/08;(IPC1-7):E21C/
主分类号
E21B19/08
代理机构
代理人
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地址
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