Oleg M. Ivantsov

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Moscow, SU

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Patents Grantslast 30 patents

Information Patent Grant
Mobile arrangement for laying a continuous pipeline
- Patent number 4,549,060
- Issue date Oct 22, 1985
- Institut Elektrosvarki Imeni E. O. Patona
- Boris E. Paton
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Internal resistance pipe butt welder
- Patent number 4,273,985
- Issue date Jun 16, 1981
- Boris E. Paton
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR