오티스 DAA26220NNY7 에스컬레이터 잠금장치
DAA26220BJ4 Otis Escalator Manipulator Switch
Otis DAA26220BJ4 Power Lock
Elevator Start Key Switch Power Lock DAA26220BJ1 DAA26220BJ4
DAA26220NNY7 escalator lock DAA26220BJ8 DAA26220BJ1
DAA26220BJ4 DAA26220BJ19 DAA26220BJ2 escalator parts
DAA26220BJ4/J8/J10/J13/J28/J31