Method of quick making of disposable foundry moulds and cores, preferably the prototype and short series moulds and core made from thermosetting or light-hardening moulding sands, without using the foundry patterns and core boxes
PL385295A1
Cleaning milk, preferably for cleaning hard surfaces
PL382318A1
Preparation in form of washing paste, especially for hard surfaces
PL381667A1
Brushless DC motor
PL381626A1
Electric driving system of a vehicle, especially of a wheelchair
PL381572A1
Device for testing of hygiene of footwear
PL381075A1
Method for decreasing the liberation of free formaldehyde from hardened urea-formaldehyde resins
PL381076A1
Method for the manufacture of polymethyleneurea
PL368478A1
Method for determination of fuel lubricity, particularly of liquid motor fuels
PL344775A1
Abrasion resisting cast steel, in particular that for low-temperature applications
PL344776A1
Weldable cast steel, in particular that for low-temperature applications
PL341543A1
Method of and apparatus for identifying phases and/or status of friction process in a tribological node
PL333221A3
Method of obtaining reactive solvents
PL332927A1
Method of tanning animal hides and skins employing an iron pretanning process
PL317471A1
Method of and system for compensating higher harmonic current components in a frequency controlled ac multiple-motor driving system power-supply circuitry
PL316158A1
Method of obtaining cross-linked, plastified poly-(vinyl chloride)
PL313669A1
Method of obtaining hydroxymethylketones and their derivatives
PL312631A1
Traction power supply system
PL312632A1
Method of obtaining low-volatile aliphatic primary amidoamines
