(57) [summary] [Configuration] glass plate 13a, the shutter 1 inwardly of 13b 9a, in 19b show window provided, to support column 18b for supporting the shutter 19a, the 19b, is provided with a mounting means 50 for mounting the exhibit. [Effect] by attachment means 50 can be attached to exhibit the support column 18b, to effectively use the support post 18b as visible that exhibits an external or internal.
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