The Russian patent for the invention
of the SHSD-type measuring tool for controlling the quality of welded joints.
|
Nation regulatory document RTM 393-94 recommends using of SHSD-tool
(See the patent on the left).
|
The admission of the Fourth (highest) level of competency to management and control of welding works in Russia.
|
|
)
)
)
)
)
)
