| 摘要 |
A fanfold booklet containing pages that are permanently marked on one or bot h sides with mono- or polychromatic indicia and can be temporarily and repeatedly marked. This booklet can be used for example during the course of a game of bingo to provide the proprietor of a bingo hall with reusable bingo cards that can be tracked in order to verify the legitimacy of a patron's use of such a card.
|
