Institut Gornogo Dela Sibirskogo Oidelenia Akademii Nauk SSSR

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Information Patent Grant
Pneumatic percussion tool
- Patent number 4,159,040
- Issue date Jun 26, 1979
- Institut Gornogo Dela Sibirskogo Oidelenia Akademii Nauk SSSR
- Alexandr D. Kostylev
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

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