| 摘要 |
An advertising tool or sales aid for use in explaining characteristics of a product to a customer, characterized by a case having a top and bottom wall connected by a side wall and being opened at each end and the other side, a plurality of plates which have one end mounted in the case so that the plate can be pivoted from a position in the case to a position extending out of the case. Each of the plates can contain information and/or physical representations, which can be used to stress characteristics of the product being sold.
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