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发明名称
COMMUNICATION METHOD
摘要
申请公布号
JPH0195649(A)
申请公布日期
1989.04.13
申请号
JP19870252539
申请日期
1987.10.08
申请人
HITACHI LTD
发明人
TAKASE MASAHIKO;IMOTO KATSUYUKI;TAKASAKI YOSHITAKA
分类号
H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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