- KLS-1,KLS-2,KLS-I,KLS-II雙向拉繩開關 2012-11-02
- GHLS-1,GHLS-2,GHLS-I,GHLS-II雙向拉繩開關 2012-11-02
- LLP1-Z,LLP1-S雙向平衡拉繩開關 2012-11-02
- YG-K890皮帶機急停開關(拉繩開關) 2012-11-02
- YBLX-KLT2-I,YBLX-KLT2-II雙向平衡拉繩開關 2012-11-02
- YBLX-KLT2-1,YBLX-KLT2-2雙向平衡拉繩開關 2012-11-02
- SLF-C-II,SLF-C-I雙向平衡拉繩開關 2012-11-02
- PS20-2D,PL20-2D拉線開關(SPS-2D拉繩開關) 2012-11-02
- KHJ1/12L煤礦井下緊急閉鎖開關(原型號:KHL1) 2012-11-02
- FKLT2-I,FKLT2-II雙向拉繩開關 2012-11-02