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发明名称
OPTICAL CRYPTOGRAPHIC DEVICES
摘要
申请公布号
CA670763(A)
申请公布日期
1963.09.17
申请号
CAD670763
申请日期
申请人
BAUSCH AND LOMB INCORPORATED
发明人
ROBERT J. MELTZER;JOHN T. FERRIS
分类号
主分类号
代理机构
代理人
主权项
地址
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