Method of making selfignition-proof pistons in particular for oxygen compressors
PL254109A1
Method of recovering a catalyst used in the proces of adipic acid production
PL247650A1
Method of fueling an internal combustion engine with twoliquid fuels,fueling system therefor and control system for controlling such double-fuel fueling system
PL244016A1
Method of and apparatus for cooling a carbide furnace
HU180120B
Method and apparatus for opening laminated holding boxes closed by cap stressed onto flange and similar objects
DE2917209A1
Sheet metal drum - has beaded cover opening wider at top and bottom than at middle
GB1197619A
Method of Preparing and Regenerating an Active and Selective Catalyst for the Production of Hydroxylamine Salt.
