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发明名称
Method for making sheet materials such as security paper
摘要
申请公布号
GB2260772(A)
申请公布日期
1993.04.28
申请号
GB19910022694
申请日期
1991.10.25
申请人
* PORTALS LIMITED
发明人
MALCOLM ROBERT MURRAY * KNIGHT
分类号
D21F1/44;D21H21/42
主分类号
D21F1/44
代理机构
代理人
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