| 摘要 |
The invention relates to a development of the display board for visual representation of information according to the main patent... (Patent Application P 3335922.9) and consists essentially in that the carrier plate hermetically separates the rear region with the electromagnets from the outer region with its display flaps, and in that the bearing pieces consist of a bearing eye and an elongated pin attachment by means of which they project into the carrier plate, as a result of which the electromagnets are protected as effectively as possible and the display flaps can, if required, be subsequently interchanged in the simplest way.
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