Device for holding multiple, open above, containers turnable to turn a common vertical axis, example gasbags, packaging containers and the like, and for compressing the content of each other
GB1282975A
Improvements in or relating to collection apparatus
GB1180877A
Apparatus for Collecting Refuse from Refuse Chutes or Similar Sources.
US3494541A
Sack holder for refuse collection sacks
DE1116149B
A frame designed for garbage bags with a rectangular protective net when spread out
