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Seat furniture for stretching of frontal body muscles, seat and backrest with variable opening angle between seat and backrest at seating positions and stretching positions
Seat furniture for stretching of frontal body muscles, seat and backrest with variable opening angle between seat and backrest at seating positions and stretching positions
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机译：座椅家具，用于拉伸前肢肌肉，座椅和靠背，座椅和靠背在座椅位置和伸展位置的打开角度可变
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摘要
The seating furniture (1) has a seat (2) and a backrest (3) with a variable opening angle between seat and backrest. The seat and backrest are set to seating positions with an opening angle 180[deg] and stretching positions with an opening angle of 180[deg] .
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