Vasily T. Ivanov

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Kievskaya oblast, SU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for removing a welding bulge from resistance welded pipes
- Patent number 4,269,552
- Issue date May 26, 1981
- Mikhail R. Unigovsky
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for removing a welding bulge from pipes
- Patent number 4,231,694
- Issue date Nov 4, 1980
- Mikhail R. Unigovsky
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR