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发明名称
DATA COLLECTION APPARATUS OF MULTI-DROP CONNECTION TYPE
摘要
申请公布号
EP0149253(A3)
申请公布日期
1987.12.02
申请号
EP19840116456
申请日期
1984.12.28
申请人
HITACHI, LTD.
发明人
YANAI, TAKAO 36-3-103, NISHINARUSAWACHO-1-CHOME;TAKAHASHI, YOSHIAKI;OZAWA, TOSHIO
分类号
H04L12/403;(IPC1-7):H04Q9/00;H04L11/16
主分类号
H04L12/403
代理机构
代理人
主权项
地址
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