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发明名称
METHOD FOR CONSTRUCTING CHARACTER ADVERTISING SYSTEM USING RADIO COMMUNICATION(BEEPER, PCS, AND CELLULAR PHONE) CHARACTER SERVICE
摘要
申请公布号
KR20000000186(B1)
申请公布日期
2000.01.15
申请号
KR19990041822
申请日期
1999.09.29
申请人
发明人
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主分类号
代理机构
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