Viktor M. Brif

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Volograd, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method and machine for expanding tubes in a tube sheet
- Patent number 4,602,492
- Issue date Jul 29, 1986
- Viktor M. Brif
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and machine for expanding tubes in a tube wall
- Patent number 4,239,713
- Issue date Dec 16, 1980
- Viktor M. Brif
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...