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发明名称
CALL PROCESSING METHOD AND APPARATUS
摘要
申请公布号
JPH03222560(A)
申请公布日期
1991.10.01
申请号
JP19900314476
申请日期
1990.11.21
申请人
AMERICAN TELEPH & TELEGR CO <ATT>
发明人
GERII RUISU DOOSUTO;FURANSHISU JIYOSEFU POOPU ZA SAADO
分类号
H04M3/42;H04M3/432;H04M3/48;H04M3/60
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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