A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A safety rescue attachment for a ladder includes a foldable safety extension having a ladder engagement clamp on a terminal end thereof.
A safety rescue attachment for a ladder includes a foldable safety extension having a ladder engagement clamp on a terminal end thereof.
RESCUE LADDER ATTACHMENT
HOFFMANN ROSS (author)
2020-11-26
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
,
Leitern