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Application filed by Josef Gatnar, Otakar Cech, Jaromir CerninfiledCriticalJosef Gatnar
Priority to CS858776ApriorityCriticalpatent/CS193766B1/cs
Publication of CS193766B1publicationCriticalpatent/CS193766B1/cs
CS858776A1976-12-241976-12-24Method of electric arc welding on of the material to thebottom of the body hollow and connection for exetion of the same
CS193766B1
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