Three-flexion adjustable support cushion
The invention relates to a three-flexion adjustable support cushion and effectively solves the problem that in supine three-flexion optimal traction and acute lumbar sprain, a cotton quilt or triangular-prism sponge, which easily deforms, has poor supporting effect and non-fixed shape and is unadjus...
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Format: | Patent |
Sprache: | chi ; eng |
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