Sergei A. Chufistov

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Novosibirsk, SU

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Patents Grantslast 30 patents

Information Patent Grant
Percussive tool
- Patent number 4,690,225
- Issue date Sep 1, 1987
- Institut Gornogo Dela Sibirskogo Otdelenia Akademii Nauk SSSR
- Konstantin K. Tupitsyn
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING