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Application filed by Jiri Zelenka, Jozef Kaniok, Milan SlavikfiledCriticalJiri Zelenka
Priority to CS252376ApriorityCriticalpatent/CS178786B1/cs
Publication of CS178786B1publicationCriticalpatent/CS178786B1/cs
CS252376A1976-04-161976-04-16Device for automatically stopping a sewing machine in case of underthread breakage, or underthread supply exhaustion
CS178786B1
(en)