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Sounding ball
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WO0108902A1
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The ink eraser with rubber eraser
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WO0105342A1
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The health mask
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WO0070795A1
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Mobile telephone having short-distance voice/character communication function
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WO0062431A1
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Mobile telephone with wireless earphone/microphone
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AU2946200A
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Mobile telephone having dual call number
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KR20000018165A
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Preventing device of alerting signal
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KR20000018166A
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Device for transferring bell to lamp
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KR20000017864A
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Device for transferring bell to vibration
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KR20010038859A
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Headphone for play of mp3 file
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KR100371449B1
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Wireless exchanging phone having the earphone and the mic of wireless
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KR100362526B1
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Telephone instrument having a response function of indirect voice
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KR100306818B1
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Loss protect system for both direction of the cellular phone
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KR100315868B1
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Apparatus and method for adding new songs in karaoke system
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KR100205205B1
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Portable wire/wireless imaginal and musical instrument without lyric in using video compact disk
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