CH348213A
(en )
1960-08-15
Method for operating an electric heater and electric heater for carrying out the method
CH325537A
(en )
1957-11-15
Device for electric arc welding using auxiliary magnetic fields and method for operating the device
CH402639A
(en )
1965-11-15
Method for grinding twist drill tips and machine for carrying out the method
CH291626A
(en )
1953-06-30
Process for liquefying gases and equipment for carrying out this process.
CH248309A
(en )
1947-04-30
Method for operating gas turbine plants and device for carrying out the method.
CH267495A
(en )
1950-03-31
Method for operating heat engines and device for carrying out the method.
CH311800A
(en )
1955-12-15
Method and device for ozonizing oxygen.
CH310950A
(en )
1955-11-15
Process for removing deposits on machine parts in thermal power plants and equipment for carrying out the process.
CH374876A
(en )
1964-01-31
Process for industrial grinding and grinding equipment for performing the process
AT178206B
(en )
1954-04-26
Method for operating electric furnaces and arrangement for carrying out the method
CH320339A
(en )
1957-03-31
Process for cleaning metal surfaces and means for carrying out the process
CH343554A
(en )
1959-12-31
Method and device for operating glow discharges
CH328087A
(en )
1958-02-28
Process for preserving natural and synthetic rubbers
CH302303A
(en )
1954-10-15
Method for operating an electric furnace and furnace serving for carrying out the method.
CH464338A
(en )
1968-10-31
Method for operating an inverter and arrangement for carrying out the method
AT178464B
(en )
1954-05-10
Process for utilizing the heat value of the reaction gases in closed electric reduction furnaces
AT201039B
(en )
1958-12-10
Process for operating thin-film evaporators and thin-film evaporators for carrying out the process
CH343378A
(en )
1959-12-31
Device for performing electrolytic processes and methods of operating the device
AT184032B
(en )
1955-12-10
Method and arrangement for electric arc welding
AT174073B
(en )
1953-02-25
Procedure for operating Siemens Martin ovens and ovens for carrying out the procedure
AT174157B
(en )
1953-03-10
Method and device for operating hot blast cupolas
CH346296A
(en )
1960-05-15
Method for operating a glow discharge and arrangement for carrying out the method
AT178631B
(en )
1954-05-25
Method and device for operating tubular contact furnaces for the synthesis of ammonia
AT170030B
(en )
1952-01-10
Process for operating tapping gas generators
AT172640B
(en )
1952-09-25
Device for dedusting gases