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Filing date
Publication date
Application filedfiledCritical
Publication of BE692580ApublicationCriticalpatent/BE692580A/xx
B42F7/00—Filing appliances without fastening means
B42F7/06—Filing appliances comprising a plurality of pockets or compartments, e.g. portfolios or cases with a plurality of compartments
B42F7/065—Filing appliances comprising a plurality of pockets or compartments, e.g. portfolios or cases with a plurality of compartments made of transparent material