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Unitsky String Technologies |
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Site news
30 November 1987 |
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The Author's Certificate of Anatoly Yunitskiy for the invention "Device for manufacturing screw spirals" Anatoly Yunitskiy, author of the invention "Device for manufacturing screw spirals", has received Author's Certificate No. 1325821 for this invention. The Author's Certificate is valid for the entire territory of the USSR, priority of the invention is as of April 16, 1985. ![]() |
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