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发明名称
ENTRY/DEPARTURE DISPLAY SYSTEM
摘要
申请公布号
JPS63249295(A)
申请公布日期
1988.10.17
申请号
JP19870084214
申请日期
1987.04.06
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
TANAKA TOSHIAKI;KAWAMURA TAKEYOSHI
分类号
G08B5/00;H04Q9/00
主分类号
G08B5/00
代理机构
代理人
主权项
地址
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