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发明名称
LINE MONITOR DEVICE
摘要
申请公布号
JPH0396162(A)
申请公布日期
1991.04.22
申请号
JP19890234220
申请日期
1989.09.08
申请人
CANON INC
发明人
MAEKAWA YOSHITO
分类号
H04N1/34;H04M15/00
主分类号
H04N1/34
代理机构
代理人
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