| 摘要 |
PROBLEM TO BE SOLVED: To provide an instrument for preventing a headgear from accidentally coming off or flying away during wearing the headgear. SOLUTION: The instrument for preventing a headgear from coming off or flying away comprises a device that is attachable to/detachable from the inner rim of any headgear with its top open, an ear string provided on the device and an ear string-adjusting mechanism for adjusting the length of the ear string. COPYRIGHT: (C)2006,JPO&NCIPI
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