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发明名称
CALL WAITING SYSTEM
摘要
申请公布号
JPH03106254(A)
申请公布日期
1991.05.02
申请号
JP19890243897
申请日期
1989.09.20
申请人
FUJITSU LTD
发明人
TAKAMURA SHINJI;YAMAUCHI SHINICHI
分类号
H04M3/42;H04M11/00
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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