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RU1770543C
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Well making device
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SU1719562A2
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Cutting blade of earth-moving machine
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SU1654524A1
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Well cleaner
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SU1643740A1
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Working implement of snow remover
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SU1647082A1
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Working member of trench excavator
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SU1573129A1
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Borehole drilling device
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SU1553611A1
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Trench excavator working member
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SU1532639A1
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Mounting for working member on sweeping machine
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SU1599531A1
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Drill rod feed mechanism
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SU1567727A1
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Clamshell for working boreholes
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SU1541080A2
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Cab heater of road-construction machine
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SU1564506A1
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Arrangement for measuring forces of resistance to cutting grounds
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SU1476066A1
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Percussive hydraulic mechanism
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SU1456502A2
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Percussive hydraulic mechanism
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SU1458472A1
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Working member of snow plough
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SU1721250A1
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Device for drilling large-diameter holes
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SU1479607A1
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Telescopic drill rod
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SU1444459A1
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Snow plough with variable-geometry blade
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SU1472584A1
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Well boring device
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SU1463963A1
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Arrangement for controlling pump
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