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머리 안전·보호구 기술의 국내 특허 및 실용신안 출원 동향
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Trend of Domestic Patent and Utility Model Application of Head Protector Technology Due to increased interest in safety in sports, leis |
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실용신안제도의 실효성에 관한 검토
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Is Utility Model Still Necessary? The utility model is designed to protect inventions that do not rise to the level of the normal stand |
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머리 안전·보호구 기술의 국내 특허 및 실용신안 출원 동향
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Trend of Domestic Patent and Utility Model Application of Head Protector Technology Due to increased interest in safety in sports, leis |
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머리 안전·보호구 기술의 국내 특허 및 실용신안 출원 동향
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Trend of Domestic Patent and Utility Model Application of Head Protector Technology Due to increased interest in safety in sports, leis |
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