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发明名称
Public phone device with multiple functionalities including services for the hearing impaired
摘要
A public phone with enhanced communications services for the hearing impaired and hard of hearing.
申请公布号
US2008267361(A1)
申请公布日期
2008.10.30
申请号
US20070789564
申请日期
2007.04.25
申请人
DILEO WALTER R
发明人
DILEO WALTER R.
分类号
H04M11/00
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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