held between the device a 'with a hole and a piston moveable within this forum

• 1. 人孔内移动式把手和带有内移动式把手的人孔 [P] . 中国专利： CN206187736U . 2017.05.24
• 2. 活塞气缸移动副之间最佳气隙测试装置 [P] . 中国专利： CN212645658U . 2021-03-02
• 3. held between the device a 'with a hole and a piston moveable within this forum [P] . 日本专利： JPS5819420Y2 . 1983-04-21

  机译： 在论坛内可移动的带有孔和活塞的装置之间

• 4. held between the device a 'with a hole and a piston moveable within this forum [P] . 日本专利： JPS5297368U . 1977-07-21

  机译： 在论坛内可移动的带有孔和活塞的装置之间

• 5. held between the device a 'with a hole and a piston moveable within this forum [P] . 德国专利： DE000007701749U . 1977-04-28

  机译： 在论坛内可移动的带有孔和活塞的装置之间

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• 6. The use of hand-held mobile devices as aids to learning within flexible learning spaces in tertiary Information Technology classes [O] . England Rebecca Louise 2015

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