Learning card file, comprises cards printed onto sheets with perforation lines for dividing them into smaller DIN size sheets

摘要

The learning cards are printed on sheets of paper, card and/or plastic, which have perforation lines so that they can be divided into smaller DIN-size sheets for placing in standard size packaging. The sheets are in DIN A4, A5, A6, A7, A8 or A9 format, or in non-DIN format, held together by a wire binding or by adhesive to form a learning card block.