|
SU1739340A1
|
|
Fibre-optical introscope
|
|
RU1825972C
|
|
Device for identifying defect of coating on internal surface of pipeline
|
|
SU1767102A1
|
|
Mechanism for making opening in ground
|
|
SU1745839A2
|
|
Device for laying pipelines
|
|
RU1798430C
|
|
Coupling for drain pipes
|
|
RU1798458C
|
|
Aligning element for passing pneumatic forms to pneumatic pipe layer
|
|
SU1742944A2
|
|
Device for converting a working medium energy into electric energy
|
|
SU1749428A2
|
|
Centering for tiers by tiers concreting of columns
|
|
SU1738903A1
|
|
Vertical fountain well
|
|
SU1763579A1
|
|
Device for erecting foundation
|
|
SU1730364A1
|
|
Foundation
|
|
SU1744200A1
|
|
Foundation
|
|
SU1735498A1
|
|
Method of erecting arched foundation
|
|
SU1647165A1
|
|
Expansion bolt
|
|
SU1653029A2
|
|
Device for replacement of electric bulbs
|
|
SU1670707A1
|
|
Device for coil winding
|
|
SU1687723A1
|
|
Device for building canal with flexible antifiltration screen
|
|
SU1643930A2
|
|
Device for locating defects in lining of pipeline inner surface
|
|
SU1649123A2
|
|
Solar water lift
|
|
SU1655558A1
|
|
Device for filtration of contaminated medium
|
