发明名称 |
SELF-WEDGED DEPTH BENCHMARK |
摘要 |
A self-wedged depth benchmark is arranged as hollow cylinder at sides of which at outer side coaxially and with possibility of motion at distance of one third of length from the lower edge two rectangular metal plates are fixed, and in the upper section of the cylinder in normal direction with respect to axis of rotation of metal plates opening is drilled for fixation of measuring line. |
申请公布号 |
UA54065(U) |
申请公布日期 |
2010.10.25 |
申请号 |
UA20100004986U |
申请日期 |
2010.04.26 |
申请人 |
UKRAINIAN STATE RESEARCH AND DESIGN INSTITUTE OF MINING GEOLOGY, GEO-MECHANICS AND MINE SURVEY |
发明人 |
KHLAMOV DMYTRO MYKHAILOVYCH;FEOFANOV ANDRII MYKOLAIOVYCH |
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