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发明名称
PAPER SECURED AGAINST FORGERY AND DEVICE FOR CHECKING THE AUTHENTICITY OF SUCH PAPERS
摘要
申请公布号
US4146792(A)
申请公布日期
1979.03.27
申请号
US19780883592
申请日期
1978.03.06
申请人
G.A.O. GESELLSCHAFT FUR AUTOMATION UND ORGANISATION MBH
发明人
STENZEL, GERHARD;LEHLE, ERHARD
分类号
G01N21/64;G07D7/12;G07D7/20;(IPC1-7):G01J1/42;G01J1/58
主分类号
G01N21/64
代理机构
代理人
主权项
地址
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