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Application filed by Mykhailo Ivanovych Karpenko, Viktor Mykhailovych KarpenkofiledCriticalMykhailo Ivanovych Karpenko
Priority to UA20031110567ApriorityCriticalpatent/UA68226C2/en
Publication of UA68226ApublicationCriticalpatent/UA68226A/en
Publication of UA68226C2publicationCriticalpatent/UA68226C2/en
A piping contains unmovable part and a rotary part, mounted on it, which are connected by hinges through a control rod and a lever with a drive, which are arched.