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Room 1024, Building A, Biaozhi Business Center, No. 198 Xiang Fu Road, Tianxin District,Changsha,Hunan,China China
Audience Response System PVS-W*0E keypad using the radio frequency technology works with base station and soft
Sunvote systems are portable interactive audience response and electronic voting tools, the system change the
連絡先担当者 Ms. Sun Vote
住所 Room 1024, Building A, Biaozhi Business Center, No. 198 Xiang Fu Road, Tianxin District, Changsha, Hunan
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