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发明名称
Improvements in printed matter adapted for electrical sensing
摘要
申请公布号
GB858369(A)
申请公布日期
1961.01.11
申请号
GB19580023690
申请日期
1958.07.23
申请人
HARRISON & SONS LIMITED
发明人
HARRISON ERNEST HANDYSIDE
分类号
B42D15/00
主分类号
B42D15/00
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代理人
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