optical signalling device fires of color commutabili statically on window single especially for railway signals

• 1. 一种便于换色的光学薄膜 [P] . 中国专利： CN107678077A . 2018-02-09
• 2. 光学可切换窗孔中电参数的校准 [P] . 中国专利： CN109275336A . 2019-01-25
• 3. optical signalling device fires with different color lights commutabili statically on a single optical unit, in particular for railway signals [P] . IT1168600B . 1987-05-20

  机译： 光学信号装置在单个光学单元上静态换向，发射不同颜色的光，特别是对于铁路信号

• 4. optical signalling device fires with different color lights on a single, statically commutabili uinta perspective, particularly railway signals [P] . IT7812737D0 . 1978-08-02

  机译： 光学信号装置在一个静态可交换的视角上发射不同颜色的光，尤其是铁路信号

• 5. an improved optical light rail signals statically commutabili on bundles of optical fibres [P] . IT1166072B . 1987-04-29

  机译： 改进的光学光轨信号在光纤束上静态交换

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