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GB551805A
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Improvements in or relating to collapsible cartons
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GB506158A
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Improvements in or relating to clips or sheet-retaining devices for loose-leaf binders and like purposes
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US2255696A
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Means for safeguarding bank notes, bonds, and like documents of value from fraudulent imitation
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GB492224A
|
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Improvements in or relating to clips or sheet-retaining devices for loose-leaf binders and like purposes
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GB504818A
|
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Improvements in or relating to the feeding of sheets
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GB417488A
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Improved means for establishing the authenticity of bank notes, bonds, or like documents
|
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GB402028A
|
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Improved method of applying protective colouring in the printing of documents representing value
|
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GB386935A
|
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Improved method of applying protective colouring in the printing of documents representing value
|
|
GB292393A
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Improved means for detecting the fraudulent alteration of cheques or other documents
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GB245957A
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Improvements in and relating to printing and numbering
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