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B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
B41L47/00—Details of addressographs or like series-printing machines
B41L47/02—Applications of printing surfaces in addressing machines or like series-printing machines
Enveloppe de securite apte a assurer une protection anti-ouverture de recipients, objet recouvert d'une telle enveloppe et procede d'inscription d'informations sur une telle enveloppe
Dispositif permettant l'identification permanente de tous les documents administratifs officiels ou non, publics ou prives et assurant aussi l'inviolabilite de la non-falsification