Illusion of a three-dimensional visual effect on a two-dimensional surface

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Bibliographische Detailangaben
Hauptverfasser:	JOHN P BARDEEN, NIK L JOHNSTON
Format:	Patent
Sprache:	eng
Schlagworte:	AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES GAMES HUMAN NECESSITIES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS SPORTS TRAINING EQUIPMENT TRANSPORTING
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