| 1. | An alarm apparatus developed for electrocardiogram machine
心电图机报警器研制 |
| 2. | Particular requirements for the safety of electrocardiographs
心电图机安全专用要求 |
| 3. | Principle and troubleshooting of 6511 - type ecg
6511型心电图机原理与故障维修 |
| 4. | Two cases of reparing ecg - 6511 electrocardiograph
心电图机维修两例 |
| 5. | Paper advance circuit analyzing and troubleshooting of ecg
6511心电图机走纸电路分析及故障排除 |
| 6. | Single and multichannel electrocardiograph
单道和多道心电图机 |
| 7. | Fetal electrocardiograph abbr . fe - cg
胎儿心电图机 |
| 8. | Malfunction of amplitude - frequency characteristic of ecg and its solution
心电图机幅频特性不合格原因及处理办法 |
| 9. | Ecg limp clip electrode adult
心电图机肢体夹 |
| 10. | Extremity electrode for ecg
心电图机四肢电极 |
