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Application filed by Esser Kg KlausfiledCriticalEsser Kg Klaus
Priority to AT935161ApriorityCriticalpatent/AT231684B/de
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Publication of AT231684BpublicationCriticalpatent/AT231684B/de
AT935161A1961-12-111961-12-11Lichtkuppel aus zwei gewölbten, lichtdurchlässigen Kunststoffschalen nach Tonnenart zum Einbau in ein Gebäudedach
AT231684B
(de)