| 摘要 |
PURPOSE: A suffocation prevention structure is provided to protect the back region of a wearer and to form a suffocation prevention region. CONSTITUTION: A suffocation prevention structure includes a back support member(10), a support frame(20), and a fixing member(30). The back support member is closed with the back side of a wearer. The support frame is perpendicularly equipped with a lower part of the support frame. The support frame forms a suffocation prevention region for prevention of the suffocation.
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