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Publication of FR717180ApublicationCriticalpatent/FR717180A/fr
A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47C—CHAIRS; SOFAS; BEDS
A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
A47C23/30—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using combinations of springs covered by more than one of the groups A47C23/04, A47C23/06 and A47C23/12; Frames therefor
A47C23/32—Combinations of nets with springs in compression; Frames therefor
FR717180D1931-05-181931-05-18Appareil amovible et mobile pour améliorer les sommiers métalliques neufs ou usagés
ExpiredFR717180A
(fr)