| 摘要 |
A stand 10 having a cable drum 12, a cable supporting roll 14, a cable 3, a crank and adjusting devices 7 and 9, Figs. 1-2, fixed in the wall against the refuse chute intake for cleaning the drum with a brush and for decontaminating a refuse chute present in an apartment block with a standard-type drum. <IMAGE> |
