| 摘要 |
Reusable modular display units constructed from corrugated board are disclosed, the units transportable in knock down form. The units can be assembled and interlocked together to form a modular display for advertising products and services. The units are preferably of trapezoidal design and interlock with units of similar design and construction in side-by-side, end-to-end or side-to-end relation.
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