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Holder for earring type earphone
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Method for managing lottery of trade commission
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Postage stamp publication method and devices in communication network
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Advertising by using chatting and messenger
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Updating method for star sticker automatic selling machine and the star sticker automatic selling machine
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Traffic signal lights which electric signboard installed and advertising method by using the electric signboard
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Data shared method by using internet and its system
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An advertising method using media files on persnal computer
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A convenient method of operating applied program and files on computer
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