Andrei Nikolaevich Grachev

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Leningrad, SU

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement for abrasive machining of shaped surfaces
- Patent number 4,136,487
- Issue date Jan 30, 1979
- Vladimir N. Khokhulin
- B24 - GRINDING POLISHING
Information Patent Grant
Profile-grinding machine
- Patent number 3,943,664
- Issue date Mar 16, 1976
- Pinkhus Ruvimovich Broide
- B24 - GRINDING POLISHING