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Priority claimed from AT818867Aexternal-prioritypatent/AT275189B/de
Priority claimed from AT400068Aexternal-prioritypatent/AT283773B/de
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Publication of FR1582278ApublicationCriticalpatent/FR1582278A/fr
H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material