BOWLING BALL

PROBLEM TO BE SOLVED: To provide a bowling ball which allows a user to hold the ball in a manner in which a load applied to muscles of a user's arm is less.SOLUTION: The invention relates to a bowling ball which allows a user to hold the ball by an operation similar to a daily operation like ho...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	UEDA TAKAHIKO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES GAMES HUMAN NECESSITIES SPORTS TRAINING EQUIPMENT
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