Method of jointing together flat components of i-section beams
PL274663A1
Method of obtaining glass fibre from cullet
DD258790A5
Device for forming plates of felt of mineral fibers, in particular glass fibers
PL257790A1
Method of making glass fibre from waste broken glass
PL257736A1
Drum-type dryer
PL257682A1
Apparatus for forming a web of inorganic,in particular glass fibres
PL253240A2
Sealing arrangement for heating chambers in particular polymerizing ones used in production of mineral wool
PL251566A2
Method of manufacturing insulating mats of mineral fibres in particular glass ones
PL250224A2
Method of feeding solid fuel onto a traveling grate and of controlling amount of heat generated by a furnace,in particular that intended to provide heat for drum-type abatement driers
PL249818A1
Method of manufacturing articles of mineral wool having disturbed fibre orientation
PL249817A2
Boiler-house fired with rubbish and municipal refuse
PL249540A2
Filtering apparatus
PL249267A1
Biological treatment plant for biomass,especially liquid manure
PL249252A2
Method of obtaining mineral fibres in particular glass ones
PL247291A1
Method of drying wood chips in particular in chip-board production process
PL245123A3
Method of deliveringlava to a fiberizer for producing mineral wool and apparatus therefor
PL244807A1
Method of manufacture of granular mineral wool
PL239287A2
Pneumatic through-flow apparatus
PL235378A2
Apparatus for forming plates and felts of mineral,and especially glass fibres
