| 摘要 |
PROBLEM TO BE SOLVED: To provide a game ball by which a Pachinko parlor where the ball has been used can be easily identified, and to provide a parlor identifying method for identifying the Pachinko parlor where the game ball has been used. SOLUTION: A marking part 2 is marked on the surface of the game ball, the marking part 2 comprising: a "Pachinko parlor name" for discriminating a provider of a Pachinko game; a "prefecture number" for discriminating a prefecture where the Pachinko game is provided; and a "parlor number" for discriminating the parlor where the Pachinko game is provided. The marking part 2 is provided at an equator position of a ball member 1, and the same letter, number, mark, etc., are marked at relative positions to the center of the ball member 1. The marking part 2 may be colored in different colors depending on the year of manufacture of the game ball, the factory of manufacture, etc. COPYRIGHT: (C)2008,JPO&INPIT
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