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brevete de invenţie (4) |
invenţii (4) |
стальные изделия (4) |
коррозия (3) |
IPC: C23C 10/00 (2000.01) (1) |
IPC: C23C 10/52 (2000.01) (1) |
IPC: C23C 9/02 (2000.01) (1) |
IPC: C23C 9/04 (2000.01) (1) |
алитирование (1) |
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