Проверка прочности бетона склерометром
Проверка прочности бетона склерометром, определение марки и класса бетона
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![АРБОЛИТ. Проверка прочности на сжатие - [masterkladki]](https://sun9-58.userapi.com/1nvkLCulA9GjyXCAImBs0fqr62HXKICnppfQXA/spUCX0xO0EM.jpg)
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