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FR2637468A1
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Protective helmet equipped with a vision screen with automatic and cushioned lifting movement
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FR2627958A1
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Protective helmet without chuckle and damping system for movements of the helmet holding device without chuckle
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FR2610178A1
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PROTECTIVE HELMET EQUIPPED WITH A LATCHING SIGNAL
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FR2593035A1
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Aerodynamic and anti-fog system of hull and vision screen of a protective helmet.
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BR8207827A
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Motorcycle protection helmet equipped with a jugular retention device
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FR2530426A2
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Protective helmet equipped with a locking device improving its positioning and holding on the user
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WO8203160A1
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Device for communicating between users of a vehicle
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AU8205482A
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**
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FR2511581A1
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Protective motorcycle helmet equipped with anti-theft device
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FR2510793A1
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Improvements on a device allowing out of its phonic isolation any user of a noise vehicle
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