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