Circuit arrangement for an intercom system with a main - and a plurality of extensions

• 1. 一种用于扩展非可视分机的接口电路以及楼宇对讲系统 [P] . 中国专利： CN205681565U . 2016.11.09
• 2. 一种访客对讲系统分机的数据通讯装置 [P] . 中国专利： CN201499201U . 2010.06.02
• 3. METHOD FOR AN EXTENSION EXTENSION SYSTEM WITH TWO OFFICE CIRCUITS CONSISTING OF A MAIN INTERCOM AND MULTIPLE SUBSIDIARIES. [P] . AT79994T . 1992-09-15

  机译： 具有主要对讲机和多个子公司的两个办公室电路的扩展系统的方法。

• 4. Circuit arrangement for a key telephone system with a main - and a plurality of extensions [P] . 德国专利： DE1762836A1 . 1970-11-12

  机译： 具有主电话机和多个分机的按键电话系统的电路装置

• 5. Circuit arrangement for the powering of a telephone equipment comprising a main telephone set and a plurality of extension telephone sets [P] . 欧洲知识产权局专利： EP0235622A3 . 1989-03-29

  机译： 用于给电话设备供电的电路装置，包括主电话机和多个分机电话机

• 1. Effect of welding speed and electrode extension on the approximate entropy of welding current in short-circuiting GMAW [J] . 向远鹏, 曹彪, 曾敏, 中国焊接：英文版 . 2007,第003期
• 2. Advent of fixed type disconnecting circuit breakers in Medium Voltage secondary switchgear: A new arrangement of main circuit functions for simpler and safer operation [C] . Moesch G., Biasse J., Yonggang Li, 2010 China International Conference on Electricity Distribution . 2010
• 3. Aircraft intercom system design for project oculus. [D] . Wilhelm, Jay Paul. 2005
• 4. Systemic impairment in relation to disease burden in patients with moderate COPD eligible for a lifestyle program. Findings from the INTERCOM trial [O] . Carel R van Wetering, Floortje E van Nooten, Stijn J M Mol, 2008
• 5. Arrangement circuits of small-size of rotor-helical vibration technological systems for parts finish-strengthening [O] . Валерий Лебедев, Valeriy Lebedev, Георгий Серга, 2017
• 6. Out of tolerance warning alarm system for plurality of monitored circuits Patent [R] . Bandini, U. 1970

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• 2. Effect of welding speed and electrode extension on the approximate entropy of welding current in short-circuiting GMAW [J] . . 中国焊接 . 2007,第003期
• 3. 意大利PCB厂Elco购买法国Main Circuits Imprimés [J] . . 印制电路资讯 . 2008,第002期
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