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?????????? ?????????? ???????????? ????????? ??????? ??????????? ?????? ?? ??????? ??????????? ?????????, ?????? ? ??????? ???????????? - подобные работы
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Подобные документы
Determining the effect of coating thickness on Hardness which is used on the protective layer when polyester coating is applied on the aluminum coil. Determining the scratch hardness using Hardness pencils test according to Wolff-Willborn "ASTM D3363".
??????, добавлен 06.05.2018