RU1836449C
|
|
Continuous tube drying facility
|
RU2027938C1
|
|
Method of subterranean laying of pipe line in soft ground
|
RU1837133C
|
|
Method of applying protective coating on pipe heat insulation
|
RU1800198C
|
|
Load-bearing strake of weighting material (anchors) of pipe line laid under permafrost conditions
|
RU1835337C
|
|
Manual arc welding electrode holder
|
RU1832071C
|
|
Flux-cored wire
|
RU1810711C
|
|
Method of laying underwater pipe line
|
RU1810710C
|
|
Method of laying underwater pipe line
|
RU1810705C
|
|
Method for laying underground pipelines in frozen grounds
|
RU1820135C
|
|
Ground anchor
|
RU1807311C
|
|
Flaw detection method for finished and coated cylindrical parts
|
RU1816804C
|
|
Method for cathodic protection of metal objects
|
RU1815072C
|
|
Method of butt resistance welding by fusion
|
RU1808727C
|
|
Method for welding of thermoplastic polymeric materials
|
RU1809359C
|
|
Method of determination of ductility of weld
|
RU1816700C
|
|
Mixing-and-dosing plant for production of foam plastic
|
RU1837093C
|
|
Method of soil preparation for winter working
|
RU1830245C
|
|
Instrument for surface-cleaning
|
RU1807281C
|
|
Pipeline ballasting device
|
RU1803668C
|
|
Method for laying underground pipeline
|