Device for space tong valley to loudspeakers, in particular in the case of round radio reception or otherwise.

• 1. 用于特别是在腕关节病的情况下支承拇指的手矫正器 [P] . 中国专利： CN105682617B . 2018.04.17
• 2. 用于特别是在腕关节病的情况下支承拇指的手矫正器 [P] . 中国专利： CN105682617A . 2016-06-15
• 3. Device for strengthening of the optical camouflage a by means of parallel ribs od. The like. Grid camouflaged small loudspeaker opening of portable round radio reception or otherwise. [P] . 德国专利： DE1675711U . 1954-04-29

  机译： 通过平行肋od来增强光学伪装a的装置。类似。网格伪装了便携式圆形收音机接收装置的小扬声器开口或其他情况。

• 4. A device for indicating the position of df in the case of reception or otherwise of the wireless communications, in particular in the case of round radio or otherwise. [P] . 德国专利： DE1665373U . 1953-10-22

  机译： 在无线通信的接收或其他情况下，特别是在圆形无线电或其他情况下，用于指示df位置的设备。

• 5. Switching device in a round radio reception or otherwise. [P] . 德国专利： DE1636646U . 1952-04-03

  机译： 圆形无线电接收或其他情况下的交换设备。

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• 5. The Nature of D-region Scattering of Vertical Incidence Radio Waves. II. Experimental Observations Using Spaced Antenna Reception [O] . BC Lindner 1975
• 6. Phase I Inspection Report. National Dam Safety Program, Round Valley North Dam and Round Valley Dyke, Hunterdon County, New Jersey. [R] . Williams, J. J. 1978

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• 5. 一种用于GPS接收的圆形微带天线设计 [C] . 马汉炎 ,宋立众 ,邱景辉 . 2001全国微波毫米波会议 . 2001
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