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brevete de invenţie (1) |
dantura roţilor dinţate (1) |
elastic films (1) |
gear teeth (1) |
invenţii (1) |
IPC: B05C 1/08 (2006.01) (1) |
IPC: B29C 65/52 (2006.01) (1) |
pelicule elastice (1) |
roţi dinţate (1) |
teeth (1) |
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