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| indentation test (шарика или конуса) | |||
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измерение твёрдости вдавливанием : 10 phrases in 6 subjects |
| Makarov | 1 |
| Mass media | 2 |
| Metallurgy | 1 |
| Physics | 1 |
| Quality control and standards | 3 |
| Technology | 2 |
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