bola de tênis e processo para preparar uma bola de tênis

Tennis ball which comprises an elastomeric polyurethane foam having a ball shape and a density of 250-800 kg/m3, which foam is covered with a textile material.

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Bibliographische Detailangaben
Hauptverfasser:	HUGO VERBEKE, Dominicus Limerkens
Format:	Patent
Sprache:	por
Schlagworte:	AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES CHEMISTRY COMPOSITIONS BASED THEREON GAMES HUMAN NECESSITIES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SPORTS THEIR PREPARATION OR CHEMICAL WORKING-UP TRAINING EQUIPMENT
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Beschreibung
Zusammenfassung:	Tennis ball which comprises an elastomeric polyurethane foam having a ball shape and a density of 250-800 kg/m3, which foam is covered with a textile material.