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发明名称
CALL WAITING SERVICE CONTROLLING SYSTEM
摘要
申请公布号
JPH0491546(A)
申请公布日期
1992.03.25
申请号
JP19900208758
申请日期
1990.08.06
申请人
FUJITSU LTD
发明人
TAKAHASHI MITSUYOSHI;KAMO TOSHIYUKI
分类号
H04M3/42;H04M1/65;H04M3/533;H04M11/00
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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