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 BE693082ApublicationCriticalpatent/BE693082A/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
B—PERFORMING OPERATIONS; TRANSPORTING
B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
B42P—INDEXING SCHEME RELATING TO BOOKS, FILING APPLIANCES OR THE LIKE
B42P2221/00—Books or filing appliances with additional arrangements