Georgy Nikolaevich Petrov

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Moscow, SU

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Patents Grantslast 30 patents

Information Patent Grant
Device for removing external circular fins from pipe joints
- Patent number 4,061,078
- Issue date Dec 6, 1977
- Viktor Senderovich Lifshits
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Machine for the resistance butt welding of pipes by fusion
- Patent number 4,012,619
- Issue date Mar 15, 1977
- Viktor Senderovich Lifshits
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR