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A document including a variably visually perceptible safety mark

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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01108591
Contributor : Pierre-Antoine Bouit <>
Submitted on : Friday, January 23, 2015 - 10:01:43 AM
Last modification on : Wednesday, January 13, 2021 - 3:08:03 AM

Identifiers

  • HAL Id : hal-01108591, version 1

Citation

Benoit Ansel, Xavier Borde, Hubert Le Bozec, Régis Réau. A document including a variably visually perceptible safety mark. France, Patent n° : WO 2009112723 A2 20090917. 2009. ⟨hal-01108591⟩

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