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Magnetic-coded lock : ウィキペディア英語版 | Magnetic-coded lock
A magnetic-coded lock is a lock device that uses pins in combination with magnets to prevent entry by either non-matching keys by teething or magnetic polarity. Magnetic-coded locks encompass knob locks, cylinder locks, lever locks, and deadbolt locks as well as applications in other security devices. ==History== The magnetic-coded lock was invented by an engineer in Nanchang, China. There have been several Chinese patents taken out on this technology. The improved version of this technology is currently on patent pending status granted by US Patent and Trademark Office.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Magnetic-coded lock」の詳細全文を読む
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