Unitsky String Technologies

15 March 1984

Three more Author's Certificates of Anatoly Yunitskiy for inventions

This week the inventor Anatoly Yunitskiy has received three more registered Author's Certificates on the following inventions:

• Author's Certificate No. 1060852 on the invention "Plug valve";
• Author's Certificate No. 1066820 on the invention "Device for manufacture of hollow articles made of hardening mass";
• Author's Certificate No. 1068347 on the invention "Device for thread protection, device for removal of polymeric screw items from a screw-shaping element and the injection mould to manufacture them".

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