X-Class
Part
0920.0.2
Items
8 Items| Sub-class | Basic number | English name | Chinese name | Five parties |
|---|---|---|---|---|
| 0920.0.2 | 090071 | alarm bells, electric | 电警铃 | Yes |
| 0920.0.2 | 090522 | buzzers | 蜂鸣器 | No |
| 0920.0.2 | 090566 | electric door bells | 电门铃 | Yes |
| 0920.0.2 | 090068 | fire alarms | 火警报警器 | Yes |
| 0920.0.2 | 090443 | locks, electric | 电锁 | Yes |
| 0920.0.2 | 090312 | peepholes [magnifying lenses] for doors | 门窥视孔（广扩镜） | No |
| 0920.0.2 | 090093 | push buttons for bells | 电铃按钮 | No |
| 0920.0.2 | 090623 | smoke detectors | 烟雾探测器 | Yes |
