Circuit arrangement for telephone - private branch exchanges with an exchange line and two automatic, equal extensions

• 1. 用于专用自动小交换机的数字无绳电话系统 [P] . 中国专利： CN1176568A . 1998-03-18
• 2. 连接综合业务数字网专用自动小交换机和市话交换机的方法和装置 [P] . 中国专利： CN1157900C . 2004.07.14
• 3. CIRCUIT ARRANGEMENTS FOR DETECTING THE USE OF TELEPHONE EXTENSIONS IN AUTOMATIC PRIVATE BRANCH TELEPHONE EXCHANGES WITH A PLURALITY OF EXTENSIONS [P] . 英国专利： GB2004441B . 1982-01-06

  机译： 用于检测具有多个扩展名的自动私人分支电话交换中电​​话扩展名的使用的电路布置

• 4. Circuit arrangement for detecting the use of telephone extensions in automatic private branch telephone exchanges with a plurality of extensions [P] . 英国专利： GB2004441A . 1979-03-28

  机译： 用于在具有多个分机的自动专用小交换机中检测电话分机使用的电路装置

• 5. METHODS OF DETECTING THE USE OF TELEPHONE EXTENSIONS IN AUTOMATIC PRIVATE BRANCH TELEPHONE EXCHANGES AND CIRCUIT ARRANGEMENTS FOR CARRYING OUT THE METHODS [P] . 英国专利： GB1531671A . 1978-11-08

  机译： 检测自动电话分机电话交换和电路布置中电话分机的使用的方法

• 1. Arrangement Strategy of Ground Heat Exchanger with Groundwater [J] . 李太禄, 朱家玲, 张伟 天津大学学报：英文版 . 2012,第004期
• 2. Arrangement Strategy of Ground Heat Exchanger with Groundwater [J] . LI Tailu, ZHU Jialing, ZHANG Wei 天津大学学报（英文版） . 2012,第004期
• 3. Heat Dissipation Performance of Metal Core Printed Circuit Board with Micro Heat Exchanger [J] . Diancheng Qin, Kewei Liang 哈尔滨工业大学学报（英文版） . 2020,第001期
• 4. The implementation of voice over internet protocol on private automatic branch exchange using analog telephone adapter [C] . Eki Ahmad Zaki Hamidi, Muhammad Ali Ramdhani, Angga Ahmad Nuroni Annual Applied Science and Engineering Conference . 2019
• 5. THE RELATIONS BETWEEN AN INNOVATION STRATEGY AND SUCCESS OF TELECOMMUNICATIONS IMPLEMENTATION IN ORGANIZATIONS (OFFICE AUTOMATION, TELECOMMUNICATIONS MANAGEMENT, PRODUCTIVITY, PABX SYSTEMS, ELECTRONIC INFORMATION TECHNOLOGY, PRIVATE AUTOMATIC BRANCH EXCHANGE). [D] . KANDER, SHARON LEE. 1985
• 6. The NCLX-type Na+/Ca2+ Exchanger NCX-9 Is Required for Patterning of Neural Circuits in Caenorhabditis elegans [O] . Vishal Sharma, Soumitra Roy, Israel Sekler, 2017
• 7. Call Management Policy Specification for the Asterisk Telephone Private Branch Exchange [O] . G. Konstantoulakis, M. Sloman, Morgan Stanley 2008

• 1. Application of a rapid exchange extension catheter technique in type [J] . Hong-Chao Wang ,Wei Lu ,Zi-Han Gao . 世界临床病例杂志 . 2021,第012期
• 2. JSON-ASR:A lightweight data storage and exchange format for automatic systematic reviews of TCM [J] . Ji Xu ,Hongyong Deng . TMR现代中药 . 2021,第002期
• 3. 程控电话交换机用接口电路的CAE [C] . 濮文东 . 全国第二届专用集成电路(ASIC)学术会议 . 1992
• 4. 基于专用自动交换机的互联网协议电话程序设计 [A] . 王北一 . 2011