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  • A47C23/00
    		•  Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases HB CC 3B092
  • A47C23/02
    		•  .using leaf springs, e.g. metal strips (wooden springs A47C 23/06) [2] HB CC 3B092
  • A47C23/04
    		•  .using springs in compression, e.g. coiled HB CC 3B092
  • A47C23/043
    		•  ..using wound springs [2] HB CC 3B092
  • A47C23/047
    		•  ..incorporating inflatable elements [2] HB CC 3B092
  • A47C23/05
    		•  ..Frames therefor; Connecting the springs to the frame HB CC 3B092
  • A47C23/053
    		•  ...Attachment or interconnection of springs in frames or in spring units [2] HB CC 3B092
  • A47C23/055
    		•  ...using cords; using textile or rubber bands [2] HB CC 3B092
  • A47C23/057
    		•  ...Hangers or supports for fastening spring units to frame [2] HB CC 3B092
  • A47C23/06
    		•  .using wooden springs, e.g. of slat type HB CC 3B092
  • A47C23/12
    		•  .using tensioned springs, e.g. of flat type (A47C 23/02 takes precedence) [2] HB CC 3B092
  • A47C23/14
    		•  ..forming nets; combined with nets HB CC 3B092
  • A47C23/145
    		•  ...with horizontal interlocking wound springs; Attachment thereof to the frame [2] HB CC 3B092
  • A47C23/15
    		•  ...with braided or crossed flat springs or cords; with horizontal wound springs (A47C 23/145 takes precedence) [2] HB CC 3B092
  • A47C23/155
    		•  ...with combinations of flat springs or link chains with wound springs [2] HB CC 3B092
  • A47C23/16
    		•  ..of plane meandering type HB CC 3B092
  • A47C23/18
    		•  ..of resilient webbing HB CC 3B092
  • A47C23/20
    		•  ..of resilient sheet form HB CC 3B092
  • A47C23/22
    		•  ..of tensioned rubber cords or like cords HB CC 3B092
  • A47C23/24
    		•  ..using tensioned textile or other non-resilient strips HB CC 3B092
  • A47C23/26
    		•  ..Frames therefor; Connecting the springs to the frame HB CC 3B092
  • A47C23/28
    		•  ..Tensioning devices therefor HB CC 3B092
  • A47C23/30
    		•  .using combinations of springs covered by more than one of the groups A47C 23/02, A47C 23/04, A47C 23/06 and A47C 23/12; Frames therefor HB CC 3B092
  • A47C23/32
    		•  ..Combinations of nets with springs in compression; Frames therefor HB CC 3B092
  • A47C23/34
    		•  .with provisions for giving extra support for the head or the legs HB CC 3B092
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