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Application filed by Villamos Berendezes Es KeszulefiledCriticalVillamos Berendezes Es Keszule
Priority to HUVI001213priorityCriticalpatent/HU177919B/en
Publication of HU177919BpublicationCriticalpatent/HU177919B/en
HUVI0012131978-10-311978-10-31Method and arrangement for generating electric signal foor controlling luminous point switching apparatuses
HU177919B
(en)