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经营范围
发明名称
A METHOD FOR JOIN BACKGROUND SOUND TO MOBILE COMMUNICATION TALKING
摘要
申请公布号
EP1811757(A4)
申请公布日期
2009.04.01
申请号
EP20050792096
申请日期
2005.09.29
申请人
CHINA MOBILE COMMUNICATIONS CORPORATION
发明人
SUN, NAN;ZHEN, ZHAOHUI;YU, RONGRONG;FENG, LINGJUN
分类号
H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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