发明名称 PROCESSO DE FABRICACAO DE UMA FOLHA DE PAPEL FOLHA E DOCUMENTO DE SEGURANCA CONSISTINDO DE OU PRODUZINDO DE TAL FOLHA
摘要 A sheet material such as paper is provided during manufacture with an elongate element partially disposed within the thickness of the paper sheet but exposed at spaced locations one one side of the sheet. The paper may be used in making security documents such as banknotes and checks.
申请公布号 BR8200872(A) 申请公布日期 1982.12.28
申请号 BR19828200872 申请日期 1982.02.17
申请人 PORTALS LTD 发明人 TOOTH ALAN JOHN;PASK NEIL
分类号 B42D15/00;B44F1/12;D21F11/00;D21H21/42;D21H27/34;(IPC1-7):D21H5/10 主分类号 B42D15/00
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