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DE102015015623A1
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Construction of a one-piece safety helmet
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Integrally formed safety helmet structure
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Reinforcement structure of safety helmet and manufacturing method thereof
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Full-cover and light-weight safety seat for child
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Warning triangle structure
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Light guide strip structure
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Safety helmet structure and processing method thereof
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Fixing structure for safety helmet fastening strap
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Freely plastically flexible light-emitting strip structure
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Light-emitting strip structure with light guiding effect
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Light-emitting warning device of a safety helmet
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