PROTECTING MAGNETIC FILAMENT FOR IDENTIFYING VALUABLE ARTICLES, METHOD FOR MAKING IT AND VALUABLE PAPER WITH SUCH FILAMENT
FIELD: processes of making protecting members such as filaments for protection against counterfeit of valuable papers, possibly determination of authenticity of bank notes and other bank-papers and credit documents. ^ SUBSTANCE: protecting magnetic filament includes polymeric film base onto which la...
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Format: | Patent |
Sprache: | eng ; rus |
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