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发明名称
PENETROMETER HEAD
摘要
申请公布号
PL171816(B1)
申请公布日期
1997.06.30
申请号
PL19930299614
申请日期
1993.07.08
申请人
OSRODEK BADAWCZO-ROZWOJOWY BUDOWNICTWA GORNICZEGO "BUDOKOP"
发明人
KRYWULT JERZY;GRUSZKA ROMAN;OCHELSKI STANISLAW;DZIEDZIC TADEUSZ
分类号
E21F17/18;G01N33/24;(IPC1-7):G01N33/24
主分类号
E21F17/18
代理机构
代理人
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