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发明名称
METHOD AND DEVICE FOR DETECTING TABLE FRAME
摘要
申请公布号
JPH04280391(A)
申请公布日期
1992.10.06
申请号
JP19910067661
申请日期
1991.03.08
申请人
NEC CORP
发明人
MIZUNO MASAAKI
分类号
G06K9/20;G06K9/34
主分类号
G06K9/20
代理机构
代理人
主权项
地址
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