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Priority to JP17644386UpriorityCriticalpatent/JPS6386552U/ja
Publication of JPS6386552UpublicationCriticalpatent/JPS6386552U/ja
Appareil de production instantanée d'eau chaude par le gaz avec allumage automatique du brûleur et dispositif de sécurité totale sans veilleuse de contrôle permanente