| 1. | Complementary unijunction transistor 互补单结晶体管 |
| 2. | Detail specification for electronic component . pn silicon unijunction transistors for type bt 37 电子元器件详细规范. bt37型pn硅单结晶体管 |
| 3. | Detail specification for electronic . component pn silicon unijunction transistors for type bt 32 电子元器件详细规范. bt32型pn硅单结晶体管 |
| 4. | Detail specification for electronic components . pn silicon unijunction transistors for type bt 33 电子元器件详细规范. bt33型pn硅单结晶体管 |
| 5. | Detail specification for electronic component programmble unijunction transistors for type bt 40 电子元器件详细规范. bt 40型可调单结晶体管 |