SU1723235A1
|
|
Method of protecting ground water from transfer therein of polluting substances from overlying contamination source
|
SU1760032A1
|
|
Ground water
|
SU1645351A1
|
|
Method for erecting underground base for water engineering structure
|
SU1693182A1
|
|
Pumping and spillway construction for cooling reservoirs
|
SU1555294A1
|
|
Device for treatment of waste water
|
SU1559043A1
|
|
Method of erecting deposition structure
|
SU1659325A1
|
|
Device for automatic emptying of pipelines
|
SU1555515A1
|
|
Arrangement for controlling dust at tails deposits
|
SU1550032A1
|
|
Method of constructing tailing dump
|
SU1535923A1
|
|
Method and apparatus for preventing seepage of liquid for water body containing noxious admixtures
|
SU1528927A1
|
|
Method of controlling dust in tails storages
|
SU1537743A1
|
|
System for preventing water seepage from contaminated water body
|
SU1562257A1
|
|
Arrangement for automatic emptying of pipe-line
|
SU1488385A1
|
|
Chart of hydraulic deposition of a dam and method of its deposition
|
SU1507740A1
|
|
Method of purifying water from organic impurities
|
SU1451430A2
|
|
Air escape valve
|
SU1393865A1
|
|
Earth-fill hydraulic structure
|
SU1382902A1
|
|
Counter-seepage system
|
SU1375718A1
|
|
Method of constructing structures of soil containing pyrogenic rock
|
SU1401108A1
|
|
Assembly joint of open water conduits
|