| 摘要 |
PROBLEM TO BE SOLVED: To provide a helmet having storing part that has sufficient structural strength, particularly the excellent safety of the helmet as a protection cap is fully considered. SOLUTION: The helmet having storing part is constituted of an inner shell or outer shell formed from a part of the cap main body and of the outer shell or inner shell forming the storing part between the inner shell or the outer shell and the whole or partial part of them is detachably fixed to the cap main body. COPYRIGHT: (C)2006,JPO&NCIPI
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