Circuit arrangement for automatic telephone systems with a main office which, by means of connecting lines having a first and a second under official is connected

• 1. 具有至少一个第一摩擦体和至少一个第二摩擦体的摩擦副 [P] . 中国专利： CN1789754B . 2010.12.08
• 2. 具有至少一个第一摩擦体和至少一个第二摩擦体作为配合体的摩擦副 [P] . 中国专利： CN1789754A . 2006-06-21
• 3. Circuit arrangement for telephone systems with waehlerbetrieb, in which a plurality of offices are connected to one another by connecting lines [P] . 德国专利： DE415331C . 1925-06-23

  机译： 具有waehlerbetrieb的电话系统的电路装置，其中多个办公室通过连接线相互连接

• 4. Circuit arrangement for telephone systems with groups of connecting lines between an two gamt and a main office [P] . 德国专利： DE367090C . 1923-01-16

  机译： 电话系统的电路布置，在两个游戏机和总公司之间具有连接线组

• 5. Circuit arrangement for telephone systems, in which the subscribers of various offices use the same connecting lines [P] . 德国专利： DE400385C . 1924-08-06

  机译： 电话系统的电路装置，其中各个办公室的用户使用相同的连接线

• 1. Main Stages of Evolution from Mechanical Automatic Systems to Humanoid Robot [J] . Ionel Staretu 机械工程与自动化：英文版 . 2015,第005期
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• 5. Modulation in carrier systems: Modulation and demodulation by means of thermionic vacuum tubes as utilized in carrier current telephone and telegraph circuits ("Wired wireless"). [D] . Wickersheim, Lyle William. 1928
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• 7. Efficiency evaluation of the "vectoring" system application on the connecting lines during modernization of the rural telephone network [O] . V.I Оreshkov 2018

• 1. Effect of closed circuits drip irrigation system and lateral lines length on growth, yield, quality and water use efficiency of soybean crop [J] . Mohamed Yousif Tayel ,Hani Abdel-Ghani Mansour ,Sabreen Khalil Pibars . 农业科学（英文） . 2013,第2期
• 2. Norton equivalent circuit for current control loop of grid-connected system [J] . 汤赐 ,杨耕 ,谭惊涛 . 中南大学学报 . 2014,第005期