Methodf of obtaining a laminated fibrous composite
PL333081A1
Method of making graphite paper-board for gaskets
PL302957A1
Method of obtaining highly efficient filtering material
PL302812A1
Method of protecting security paper against counterfeit
PL301870A1
Method of obtaining long-fibre bleached paper stock from straw of phloem-yielding plants
PL289619A1
Paper and cardboard coating process
PL284876A1
Apparatus for producing a composition for coating theremosensisitive paper
PL284512A1
Method of obtaining highly efficient paper pulp
PL282549A1
Biological treatmnt plant
PL282359A1
Method of bleaching a pulp to be chemically processed
PL281516A1
Dispersing nozzle
PL272141A1
The way of forming paper-like band especially of synthetic and mineral fibres and the device for forming paper-like band especially of synthetic and mineral fibres
PL271301A2
Scoop for drying cylinder of a paper machine and method for manufacturing the scoop for the drying cylinder of a paper machine
PL253595A1
Method of and apparatus for delivery of steam in dryer cylinders
PL250380A1
Method of obtaining paper-like materials resistant to high temperatures
PL244651A1
Granulate made of fibrous semi-products and method of making it
PL241618A1
Method of utilization of waste liquor from chemical industry in sulfate process of making of chemical paper-pulp
PL241578A1
Fusible compound for coating,laminating or impregnating of paper and cardboard
PL237238A1
Method of sparating plastic foil from materials capable of being converted into a slurry,in particular form paper and apparatus therefor
