| 1. | Carbon pile pressure transducer 碳堆压力传感器 |
| 2. | Carbon pile voltage transformator 碳堆变压器 |
| 3. | Carbon pile regulator 碳堆式调节器 |
| 4. | Test method for physical - chemical properties of electrical carbon product . hot resistance of carbon pile 电炭制品物理化学性能试验方法.炭柱热态电阻 |
| 5. | Test method for physical - chemical properties of electrical carbon product . mechanical strength of carbon pile 电炭制品物理化学性能试验方法.炭柱机械强度 |
| 6. | Test method for physical - chemical properties of electrical carbon product . room temperature resistance and deformation of carbon pile 电炭制品物理化学性能试验方法.炭柱常态电阻及变形 |