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Application filed by Sten Hugh Francis BeckettfiledCriticalSten Hugh Francis Beckett
Priority to DK120992ApriorityCriticalpatent/DK120992A/da
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Publication of DK120992ApublicationCriticalpatent/DK120992A/da
Elementi per l'isolamento e l'assorbimento acustico e termico negli edifici nonche' per il fonoisolamento e l'assorbimento acustico negli spazi aperti