发明授权
US4893356A Air conditioned headwear having convertible power module 失效
空调头饰具有可转换功率模块

Air conditioned headwear having convertible power module
摘要:
Headwear, including all forms of caps, hats, hard hats, visor type caps, to include a switchable power module capable of converting an electric motor driven air moving means from battery power to solar power wherein the solar power panel is removable.
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