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发明名称
SECURITY PAPERS
摘要
申请公布号
CA806075(A)
申请公布日期
1969.02.11
申请号
CAD806075
申请日期
申请人
PORTALS LIMITED
发明人
JOHN A. THORP;ALAN J. TOOTH
分类号
主分类号
代理机构
代理人
主权项
地址
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