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Application filedfiledCritical
Priority to NL114847ApriorityCriticalpatent/NL60614C/nl
Application grantedgrantedCritical
Publication of NL60614CpublicationCriticalpatent/NL60614C/nl
A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47C—CHAIRS; SOFAS; BEDS
A47C21/00—Attachments for beds, e.g. sheet holders or bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
A47C21/04—Devices for ventilating, cooling or heating
A47C21/042—Devices for ventilating, cooling or heating for ventilating or cooling
A47C21/046—Devices for ventilating, cooling or heating for ventilating or cooling without active means, e.g. with openings or heat conductors