RU1794145C
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Method for reinforcing landslide slope
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RU1771499C
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Method for lowering water level in highland rock burst lake
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RU1781545C
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Method of chart-making of depths of deposits of underground waters by data of multizonal aerial and space photography
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SU1735584A1
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Method for consolidating landslide slope
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SU1733566A1
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Landslide dewatering method
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RU1776749C
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Hydraulic pulse expander
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SU1709076A1
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Method of filtration well completion
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SU1723312A1
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Method for equipping filtering well
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SU1712596A1
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Downhole level gage
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SU1694867A1
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Method of equipping well with filter in unstable rocks
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SU1700222A1
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Formation testing method
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SU1712591A1
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Well filter
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SU1694866A1
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Method of equipping well with filter
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SU1666678A1
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Eccentric reamer
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SU1684490A1
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Method for determination of pressure of subsoil waters
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SU1610008A1
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Device for determining deformation of rock mass
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SU1566013A1
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Device for measuring liquid level of borehole
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SU1569404A1
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Device for implanting sensor into borehole wall
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SU1693469A1
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Method for determining main hydrophysical characteristic of porous materials
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SU1718044A1
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Device for determining main hydraulic and physical characteristic of porous materials
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