A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
A47L9/24—Hoses or pipes; Hose or pipe couplings
A47L9/242—Hose or pipe couplings
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Filling Or Emptying Of Bunkers, Hoppers, And Tanks
(AREA)