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Terms for subject Geology containing по шкале | all forms | exact matches only | in specified order only
| Russian | English |
| Коэффициент крепости по шкале проф. Протодьяконова | Protodyakonov scale of hardness (schmidtd) |
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| Russian | English |
| Коэффициент крепости по шкале проф. Протодьяконова | Protodyakonov scale of hardness (schmidtd) |