Mikhail S. Druzhinin

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Novosibirsk, RU

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Patents Grantslast 30 patents

Information Patent Grant
Tooth of active-action excavator bucket
- Patent number 5,353,532
- Issue date Oct 11, 1994
- Institut Gornogo Dela Sibirskogo Otdelenia Rossiiskoi Akademii Nauk
- Leonid L. Lysenko
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS