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Application filed by Oldrich Holubec, Otakar GoerlichfiledCriticalOldrich Holubec
Priority to CS832871ApriorityCriticalpatent/CS171301B1/cs
Publication of CS171301B1publicationCriticalpatent/CS171301B1/cs
CS832871A1971-11-301971-11-30Signalling device for watching of maximum stated in advance formed by demand meter,signalling and breaking system
CS171301B1
(en)