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DE3635244A1
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CHAIR, ESPECIALLY OFFICE CHAIR, WITH HEIGHT-ADJUSTABLE BACKREST
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EP0179185A2
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Chair, in particular an office chair
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DE3230180A1
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Seating furniture, in particular rotatable work chair
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DE3101692A1
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"SEAT FURNITURE, IN PARTICULAR ROTATING OFFICE CHAIR"
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DE2820532A1
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Office swivel chair with adjustable backrest - has accurate guide for backrest support hoop, transferring strain over wider area
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DE2820533A1
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Fully adjustable office swivel chair - has articulated connection between bearing block and seat support for easy controlled adjustment
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