A device applicable to all types of Billiard tables to restrict its use to the time corresponding to the amount paid.

• 1. 适用于传统台球桌以实现所述桌的更好的使用、多功能性和/或应用的设备 [P] . 中国专利： CN102316942B . 2013.10.16
• 2. 适用于传统台球桌以实现所述桌的更好的使用、多功能性和/或应用的设备 [P] . 中国专利： CN102316942A . 2012-01-11
• 3. device for limiting the use of a pool at a time corresponding to the amount paid. [P] . 瑞士专利： CH212940A . 1940-12-31

  机译： 用于在与所支付的金额相对应的时间限制池的使用的设备。

• 4. Ball sorting device for billiards and snooker - is applicable to coin operated tables diverts heavier balls along different path to lighter balls [P] . 法国专利： FR2359621A1 . 1978-02-24

  机译： 台球和斯诺克台球分类装置-适用于投币游戏桌，将较重的球沿不同的路径转移到较轻的球上

• 5. The new device driver recorder applicable to miniature billiard tables numerical [P] . BR7016548D0 . 1973-02-01

  机译： 新设备驱动程序记录器适用于微型台球桌数值

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• 7. Nonlinear Time-Dependent Phenomena in JXB Devices Applicable to MHD Power Generators and Electric Propulsion Engines [R] . Demetriades, S. T., Argyropoulos, G. S., Maxwell, C. D., 1972

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