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SOUND FILTERING SYSTEM
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Publication number 20170188142
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Publication date Jun 29, 2017
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HAEBORA CO., LTD
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Doo Sik Shin
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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WIRED AND WIRELESS EARSET
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Publication number 20170155999
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Publication date Jun 1, 2017
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HAEBORA CO., LTD
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Doo Sik SHIN
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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EARSET
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Publication number 20160302000
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Publication date Oct 13, 2016
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Haebora Co., Ltd.
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Doo Sik Shin
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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EARSET
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Publication number 20160073187
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Publication date Mar 10, 2016
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HAEBORA CO., LTD
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Doo Sik Shin
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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EAR MICROPHONE
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Publication number 20150341718
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Publication date Nov 26, 2015
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HAEBORA CO., LTD
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Doo Sik Shin
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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