Invention Application
US20110072563A1 PIN LOCK DEVICE AND HELMET INCLUDING SAME 审中-公开
引脚锁定装置和耳塞,包括它们

PIN LOCK DEVICE AND HELMET INCLUDING SAME
Abstract:
The present disclosure relates to a pin lock device allowing detachable attachment of an anti-moisture film or a shield protective film to a surface of a shield secured to a helmet main body in an openable/closable manner and a helmet including same.
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