Novel head protector for free combat
A novel head protector for free combat comprises a head sleeve, two sides of the head sleeve are fixedly connected with protective sleeves, the bottom of the head sleeve is provided with a neck opening in a digging mode, the bottom of the head sleeve is connected with two neck sleeves in a rotating...
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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