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Application filed by Dansk Spaend AsfiledCriticalDansk Spaend As
Priority to DK290290ApriorityCriticalpatent/DK290290D0/en
Publication of DK290290D0publicationCriticalpatent/DK290290D0/en
DK290290A1990-12-061990-12-06
PROCEDURE FOR MAINTAINING A CONCRETE ELEMENT, INSIDE A PREFABRICATED CONCRETE ELEMENT, FOR ANOTHER CONCRETE ELEMENT
DK290290D0
(en)