Method of preparing reinforced asbestos diaphragms for chlorine-
Method of producing a nonwoven material
Methods of pulp-insulating a conductor
Methods of simultaneously covering each of a plurality of elonga
Moisture-insensitive electrically-conductive paper
Multi-ply paper and paperboard having a wet-laid ply and a dry-l
Paper incorporating a partially embedded strip
Paper of value and a method of producing it
Polymer-bonded crocidolite asbestos diaphragms and method for fo
Process for inserting rigid segments in security paper
Process for making a high pulp content nonwoven composite fabric
Process for positioning rigid segments into a continuous paper w
Process of forming wet laid tufted nonwoven fibrous web and tuft
Pulp insulated telecommunications conductor
Reinforced air-pervious polytetrafluorothylene sheet
Reinforced wood particle board and a method of producing it
Security features in paper
Security paper
Security paper for currency and bank notes
Security paper for currency and banknotes