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发明名称
Mittel zum Entwickeln von unsichtbaren Bildern und Zeichen auf mit unsichtbarer Druckfarbe bedruckten Erzeugnissen
摘要
申请公布号
DE1946404(A1)
申请公布日期
1970.09.03
申请号
DE19691946404
申请日期
1969.09.12
申请人
MEREDITH CORP.
发明人
CHANNING WELLS,ROBERT;WILLIAM RAFFERTY,JOHN
分类号
B41M3/00
主分类号
B41M3/00
代理机构
代理人
主权项
地址
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