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Application filed by Milan Ing Stanek, Jan Ing Pasecky, Jarmila Slapakova, Antonin Ing Csc SternschussfiledCriticalMilan Ing Stanek
Priority to CS841588ApriorityCriticalpatent/CS239888B1/en
Publication of CS158884A1publicationCriticalpatent/CS158884A1/en
Publication of CS239888B1publicationCriticalpatent/CS239888B1/en