Інститут Геотехнічної Механіки Ім. М.С. Полякова Нан України
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Priority to UAU201412364UpriorityCriticalpatent/UA98407U/en
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Method of combating with protrusion of soil of mining involves installing anchors on at least one side of the roadway in a row along the length of the roadway. When the anchor longitudinal slit cut to a depth that is less than the length of the anchors.
UAU201412364U2014-11-172014-11-17Method of combating with protrusion of soil of mining
UA98407U
(en)