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Application filed by Arthur Bastyns, Joseph Maurice D HondfiledCriticalArthur Bastyns
Priority to BE603680ApriorityCriticalpatent/BE603680A/fr
Publication of BE603680ApublicationCriticalpatent/BE603680A/fr
BE603680A1961-05-121961-05-12Perfectionnements aux lanterneaux et éléments similaires et lanterneaux et éléments similaires ainsi perfectionnés.
BE603680A
(fr)