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Gas lift chair : ウィキペディア英語版 | Gas lift chair A gas lift chair is a form of office chair that allows the user to modify their height in relation to the height of a desk, leading to an increase in comfort and ergonomic benefit. The concept of using a gas spring to aid the adjustment of chairs is described in patent , issued in 1972 to Drabert Soehne of Minden, Germany and cites the inventor as Drabert Fritz. Nearly all gas cylinders are 28 mm (1.102 inches) in diameter, a worldwide standard.〔Gas Cylinder diameter:()〕 == References ==
* : Improvements in and relating to chairs
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「Gas lift chair」の詳細全文を読む
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