| 摘要 |
The present invention relates to an anti-break-in alarm device. This device is characterised in that the support 5 of the transmitter keyboard 6 and of the alarm box 7 is constituted by a flexible strip capable of being placed so as to straddle the edge of the door or window opening and of sufficiently narrow thickness to enable it to pass between the door or window and the frame. <IMAGE>
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