A HUMAN NECESSITIES
A47 FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47C CHAIRS; SOFAS; BEDS
27/00 Spring, stuffed or fluid mattresses; or cushions; specially adapted for chairs, beds or sofas
A47C27/08 Fluid mattresses
A47C27/081 of pneumatic type
A47C27/083 with pressure control, e.g. with pressure sensors