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 # 45173
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(11) 45173 (51) (2009)
E21C 45/00
E21F 5/00
(24) 26.10.2009
(21) u200905718 (22) 04.06.2009
(46) 26.10.2009, . 20
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M.POLIAKOV INSTITUTE OF GEO-TECHNICAL MECHANICS OF NAS OF UKRAINE (UA )
(72) (UA ); (UA ); (UA ); (UA ); (UA ); (UA )
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Bulat Anatolii Fedorovych (UA ); Zhytlionok Dmytro Moiseiovych (UA ); Sofiiskyi Kostiantyn Kostiantynovych (UA ); Anhelovskyi Oleksandr Anatoliiovych (UA ); Baradulin Yevhen Hryhorovych (UA ); Nechytailo Valerii Oleksandrovych (UA )
(73) Ͳί Ͳ . .. , .ѳ, 2-, ., 49005, (UA )
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M.POLIAKOV INSTITUTE OF GEO-TECHNICAL MECHANICS OF NAS OF UKRAINE (UA )
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.ѳ, 2-, ., 49005,
(UA)
(54) в IJ -ί IJ ò
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DEVICE FOR REALIZATION OF PERCUSSION-UNLOADING EFFECT ON PRODUCTIVE ROCK MASSIF
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(57)
   
 
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