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Application filed by Ludvik Streinz, Miroslav Romanuk, Karel SlamafiledCriticalLudvik Streinz
Priority to CS342576ApriorityCriticalpatent/CS187685B1/cs
Priority to JP5782277Aprioritypatent/JPS5321108A/ja
Publication of CS187685B1publicationCriticalpatent/CS187685B1/cs