Sanki mają runners.
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stergeist - Polstergeist is an upholstered sofa with runners in chromed steel.
https://img.edilportale.com/product-thumbs/b_prodotti-56927-...
https://www.archiproducts.com/en/products/bla-station/sofa-p...

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Note added at 2 hrs (2018-11-21 15:15:00 GMT)
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This clever, double-sided furniture raiser can be used to raise the height of beds and armchairs to a range of height positions. Which end of the raiser faces up or down, respectively, depends on whether the bed frame has legs or runners and the height to which the bed is to be raised.
https://www.handicare.com/en/products/raiser-bed-and-chair/p...
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Other new additions this year are the lui chair, and expressive occasional furniture with runners featuring a trendy bronze surface.

https://archello.com/product/k7-3
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Chair: 2 tubular bars in round tube 25 x 2 mm, with seat and armrest brackets in round tube 22 x 2 mm connected to the cantilever chair or runner frame. Armrests with pads in lacquered beech laminate Stool: 2 tubular bars in round tube 25 x 2 mm, connected
http://lc-stendal.de/tl_files/startseite/produkte/berlin/ber...
http://lc-stendal.de/en/282.html
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MINO Sessel mit Kufen chrom von Sigbei homeform.de Softline Coco armchair with runners 2
https://www.homeform.de/shop/signet-wohnmoebel/22918/mino-se...
http://www.freecellularphone.info/sessel-mit-kufen.html
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