| 1. | Hearing aids - characteristics of electrical input circuits for hearing aids
助听器.助听器用电气输入电路特性 |
| 2. | Hearing aids - part 6 : characteristics of electrical input circuits for hearing aids
助听器.第6部分:助听器输入电路特性 |
| 3. | Hearing aids - part 6 : characteristics of electrical input circuits for hearing aids
助听器.第6部分:助听器电输入线路的特性 |
| 4. | Devices with electrical input and thermal output based on thermal performance , methods of testing
基于热性能的电气输入和热输出装置的试验方法 |
| 5. | A device for directing electrical input pulses onto one or two output lines , depending upon the presence or absence of a predetermined accompanying control pulse
一种装置,根据是否出现一个预先决定的伴随控制脉冲,把电输入脉冲导向到一条或两条输出线路上。 |
