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brevete de invenţie (2) |
invenţii (2) |
IPC: B23F 9/06 (2006.01) (2) |
IPC: B23H 1/00 (2006.01) (2) |
IPC: B23H 7/02 (2006.01) (2) |
roţi dinţate (2) |
electroerosion machining (1) |
electroeroziune (1) |
gear-wheels (1) |
gear-wheels-tools (1) |
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