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The origin of doctor lock

by:FUYU     2020-02-21
A doctor from Oxford University who returned from overseas made a bicycle lock with a high bonus of 450,000 yuan. He was confident that no one could open it. Locksmiths from all over the world came here one after another. This man was called Qin caidong. Before that, he was locked in his hometown because he was a doctor from Oxford University and invented by nobody-- The media in Maanshan, Anhui province is famous. The media reports that if anyone can open the bicycle by twisting, prying or technical means without destroying the bicycle, they can get a reward of 100,000 to 150,000, no one has succeeded since the challenge was placed. This lock is called Doctor lock.
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