| 摘要 |
A card, cardboard, thick paper or similar material is presented as a substitute for a blackboard. The front face of the material has a series or strips of transparent adhesive or glue for the placement of graphic information. The rear face has some strips adhesive or glue for the placement on the wall. The card is protected by a film or cellophane or similar material, in order to avoid becoming stuck together. The present card substrate is characterised in that it comprises a card wherein the front face has a series of suitably arranged strips of adhesive or glue for the placement of any type of graphic information. The rear face has two glue or adhesive strips located at the side portions thereof useful for placing the card onto a smooth or rough surface, wherein the strips are preferably of transparent adhesive or glue so that they are not perceived over the card surface; thereby the appearance of the material is completely neat; a cellophane film is placed over the cards so as to a void becoming stuck together. Consequently, this invention subscribes to the world of paper, and in particular, its scope of action is as an element in order to effectuate visual communication.
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