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Social unrest, Robbery An frequently, so invented a device to prevent looting, Add this device can be carried in packs and be linked to harness the body，When the purse was Will be broken as a result of snatch straps and starter, From the purse of the machine to issue a strong The alarm and Issued a radio tracking device allows police to know who the current position So as to facilitate tracing, so that robbery can be smooth and rapid detection。
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CHEN WEN LIANG