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Application filed by Pavel Ing Kropacek, Jaroslav Ing Mutinsky, Jaroslav Beranek, Jaroslav Ing Coufalik, Rudolf Ing Zidek, Borivoj Ing MartinekfiledCriticalPavel Ing Kropacek
Priority to CS881587ApriorityCriticalpatent/CS266094B1/en
Publication of CS158788A1publicationCriticalpatent/CS158788A1/en
Publication of CS266094B1publicationCriticalpatent/CS266094B1/en