发明授权
US5114735A Fragrance enhanced scratch-off layer for game cards 失效
香味增强了游戏卡的刮刮层

Fragrance enhanced scratch-off layer for game cards
摘要:
A scratch-off game piece which contains a fragrance which is released during the game play action. The game piece is constructed by application of layers of fragrance containing material and scratch-off material over a support layer of printed sheet material such that when the scratch-off material is removed by the player, the fragrance containing capsules are ruptured and fragrance is released.
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