Record card block lower cover, upper cover and stapled sheets between covers on which are printed detachable record cards arranged next to one another in rows of two cards wide and four deep

摘要

Record card block has lower cover, upper cover and stapled sheets (1) between covers. On the sheets are printed record cards (4) which can be separated out. Two record cards are arranged alongside each other on the sheet and four underneath. The sheets from which the cards can be separated are perforated (5) and the perforations run along the outer contours of the cards. Individual sheets are stamped with micro-perforations (2) along their length, at one or both ends. The stamping design (3) can be rectangular, V-shaped or U-shaped. Lower cover serves as pocket. Pocket is formed by an piece of film stuck over a third to a half its height of lower cover.