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brevete de invenţie (3) |
dinţi (3) |
invenţii (3) |
roţi dinţate (3) |
IPC: B24B 1/00 (2006.01) (2) |
teeth (2) |
angrenaje conice (1) |
angrenaje precesionale (1) |
bevel gearing wheels (1) |
gear wheels (1) |
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