Vladimir Dmitrievich Plavskih

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Novosibirsk, RU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for impact action
- Patent number 5,749,677
- Issue date May 12, 1998
- Institut gornogo dela Sibirskogo otdelenia Rossiiskoi Akademii nauk
- Vladimir Alexandrovich Grigoraschenko
- E21 - EARTH DRILLING MINING