Method of obtaining long straight holes of small diameter in large thick-walled cast iron castings and sand mould therefor
PL295433A1
Device for forming segments of screw-shaped web
PL294494A1
Drum-type drier/cooler for particulate solids
PL290753A1
Axial seal for a multistage rotodynamic pump shaft
PL287350A1
Vertical pan-type cascade drier or cooler for particulate materials
PL287304A1
Vertical pan-type cascade drier for particulate materials
PL286602A1
Vertical cascade dished disk dryer for loose materials
PL284993A1
Plate-type cascade drier
PL283886A1
Drum-type drier/cooler
PL280981A1
Method of and system for drying and cooling down paarticulate solids in particular sugar
PL280693A1
Heating chamber of a heat exchanger
PL280350A1
Hydraulic driving system for an agitator of a vertical agitated massecuite crystallizer
PL276178A1
Impeller for a rotodynamic pump in particular multistage one
PL276034A1
Drum-type drier/cooler for loose materials
PL276033A1
Drum-type drier/cooler
PL274508A1
Machinery for conveying loose materials within storageyard
PL271362A1
Propeller type artificial snow throwing machine
PL269911A1
Method for bleaching of sugar in a centifugal filter,inparticular continuously operating one,and system for introducing bleaching agent into a drum of such centrifugal filter
PL269442A1
Method of handling and disposing artificial snow generating appliances and system for storing,handling and disposing such appliances
