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发明名称
DOCUMENT TESTING IDENTIFICATION SYSTEM
摘要
申请公布号
CA747551(A)
申请公布日期
1966.11.29
申请号
CAD747551
申请日期
申请人
LIONEL ELECTRONIC LABORATORIES
发明人
EDWARD N. WILLIE
分类号
主分类号
代理机构
代理人
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