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发明名称
LINE NETWORK DESIGN SUPPORTING SYSTEM
摘要
申请公布号
JPH03232353(A)
申请公布日期
1991.10.16
申请号
JP19900027388
申请日期
1990.02.07
申请人
HITACHI LTD
发明人
OSHIMA SHUNICHI;KOSUDA MASATAKA
分类号
H04M3/42;H04M15/16
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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