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发明名称
BIDIRECTIONAL COMMUNICATION SYSTEM
摘要
申请公布号
JPH0225140(A)
申请公布日期
1990.01.26
申请号
JP19880173751
申请日期
1988.07.14
申请人
AIWA CO LTD
发明人
SHIONO KOICHI
分类号
G06F13/00;H04L13/00;H04L29/08
主分类号
G06F13/00
代理机构
代理人
主权项
地址
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