A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Abstract An emergency access ladder has a controlled-release extension portion operated by a latch. The ladder extension portion is mounted to a moveable track. I i 1 [0 ~n 12 fl~: 50 Fig. 1I02 Fig 2 28~ ~~Fg 3 "-2Fg
Abstract An emergency access ladder has a controlled-release extension portion operated by a latch. The ladder extension portion is mounted to a moveable track. I i 1 [0 ~n 12 fl~: 50 Fig. 1I02 Fig 2 28~ ~~Fg 3 "-2Fg
Emergency Access Ladder
LAPCHEV MARIA (author)
2018-09-27
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
,
Leitern