Mouthpiece system for guiding e.g. equids, has mouthpiece with side parts for fastening reins to large sized rein rings, where side parts are formed of flexible material to provide flexibility to branches of side parts
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Method for controlling access to a personal computer and device for implementing the method.
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Method for authenticating the identity of a physical person and authenticating device for implementing the method.
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Device for sealing a standard magnetic tape cartridge for computer
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Implant for electronically marking a standard computer magnetic tape cartridge
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Drive wheel with kinematic energy for a human-propulsion vehicle
