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发明名称
Electronic switching system having call-forwarding function
摘要
申请公布号
US5018194(A)
申请公布日期
1991.05.21
申请号
US19890379254
申请日期
1989.07.13
申请人
FUJITSU LIMITED
发明人
SUZUKI, TAKASHI;NAKAGIRI, ETSUJI
分类号
H04M3/54;H04Q3/545
主分类号
H04M3/54
代理机构
代理人
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地址
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