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Application filed by Pavel Ing Sikora, Karel Dr Ing Niemiec, Kazimir Ing OndruchfiledCriticalPavel Ing Sikora
Priority to CS847185ApriorityCriticalpatent/CS243199B1/cs
Publication of CS718584A1publicationCriticalpatent/CS718584A1/cs
Publication of CS243199B1publicationCriticalpatent/CS243199B1/cs