００８型同线电话选通器王远美，葛韧之００８型同线电话远通器是有线电话通讯的一项具有普及意义的实用发明。它打破了现有同类产品的控制模式。由于在同一条线上直接并接多部电话存在相互干扰和窃听等问题，各种同线电话控制器应运而生。。应用最多的是同线电话保密器或... 008-type telephone with the same telephone gao Yuanmei, GE-008 with the telephone line telephones is a wired telephone communication with a universal significance of practical inventions. It breaks the control of existing competing products. Due to the same line and then directly connected to multiple phones there is mutual interference and eavesdropping and other issues, all kinds of same-line telephone controller came into being. . The most widely used is the same phone security or ...