Patent AT-E39978-T1: [Translated] SPRING FOR ONE KEY.
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In order to save space and manufacturing costs a pull-off effect for the operation of a key should be achieved by using a single spring. Thus the spring must have an...
为缩减安装空间并降低制造成本，需通过单个弹簧实现按键操作的脱开回弹效果。因此该弹簧必须具备……
