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Permanent card for bingo and similar betting systems - is for time saving and minimisation of mistakes made by players
Permanent card for bingo and similar betting systems - is for time saving and minimisation of mistakes made by players
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机译:宾果游戏和类似投注系统的永久卡-用于节省时间并最大程度地减少玩家犯的错误
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摘要
The card consists of a bottom and a top part corresponding in size and divisions to a normal bingo card. It includes 49 small plates for covering unknown fields which lie in the underlying layer. About six fields of numbers are left free at any one time. the arrangement has a three tier construction, the top member being a perforated grid, the second layer a segmented card and the bottom member being a backing plate.
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