Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Publication of BE716673ApublicationCriticalpatent/BE716673A/xx
B42F17/00—Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets
B42F17/02—Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets in which the cards are stored substantially at right angles to the bottom of their containers
B42F17/08—Construction of the containers, e.g. trays or drawers
