4. Stock material or miscellaneous articles
  5. Structurally defined web or sheet
  6. Discontinuous or differential coating, impregnation or bond

Walter Mantegazza

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Document with anti-counterfeiting means to prevent reproducibili

Printed matter – Having revealable concealed information – fraud preventer or... – Utilizing superposed layers
Patent

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Document with anti-forgery and anti-falsification means

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent

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Profile ID: LFUS-PAI-P-1053413

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