| 摘要 |
The magnet support for fixing a housing to formwork comprises a magnet disc (2), a means for removably fixing the disc to a housing, and a member (9) for operating the fixing means consisting of an expanding ring (15) made of elastic material. The magnet disc (2) interacts with a pressure plate (7) to compress the ring (15), by virtue of a pivoting operating rod (9). <IMAGE>
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