SECURITY PAPER WITH ELECTRONIC DETECTION AND VALIDATION von BUTEICĂ DAN, IORGA ALEXANDRU, CODESCU MIRELA MARIA, OPREA FLORENTINA, BURLACU MARICICA, NECHITA PETRONELA, ZĂPODEANU ION, MANTA EUGEN, MIDONI VALENTIN, ERDEI REMUS, PĂTROI EROS ALEXANDRU, PĂTROI DELIA, KAPPEL WILHELM

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SECURITY PAPER AND PROCESS FOR PREPARING THE SAME von NECHITA PETRONELA, ANICULAESEI GHERGHINA, CARAC GETA, STANCIU CONSTANTIN, ZAPODEANU ION, BUTEICA DAN, DINICA RODICA, DUMITRIU PETRICA, GAVRILA IONEL

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DEPTH FILTERING BOARD WHICH IS MADE ON THE BASIS OF CELLULOSIC FIBRES AND MAKING PROCESS THEREFOR von BORHAN GHEORGHE, MARINA PETRE, ZAPODEANU ION, EPURE VASILE

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SECURITY PAPER AND PROCESS FOR PREPARING THE SAME USING THE COMPOSITION, THE MARK OF THE MANUFACTURING PLANT AND THE SPECIFIC COLOUR AS SECURITY ELEMENTS von NECHITA PETRONELA, RADU ARGENTINA, BURLACU MARICICA, ZAPODEANU ION, TALASMAN C T LINA

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PROCESS FOR MANUFACTURING PAPER DESIGNED FOR PRINTING SECURITY MARKING OR PAPERS von AVRAM NATALIA, MARINA PETRE, PUGNA IOAN, STANCIU CONSTANTIN, BARBU ION, ZAPODEANU ION, STOICA VECHIU

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SECURITY PAPER AND PROCESS FOR PREPARING THE SAME von NECHITA PETRONELA, CARAC GETA, GAVRIL IONEL, STANCIU CONSTANTIN, ZAPODEANU ION, BUTEICA DAN, DINICA RODICA, DUMITRIU PETRICA, ANICUL ESEI GHERGHINA

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