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发明名称
CALL-WAITING PHONE SERVICE WITH MESSAGE TRANSMISSION FUNCTION DURING BUSY STATE
摘要
申请公布号
JPH02256358(A)
申请公布日期
1990.10.17
申请号
JP19890077144
申请日期
1989.03.29
申请人
FUJITSU LTD
发明人
HATTORI RIE
分类号
H04M3/42;H04M3/533
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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