CH322661A
(en )
1957-06-30
Method and device for the production and finishing of printing blocks
AT251697B
(en )
1967-01-10
Process for maintaining a polish layer on running surfaces of crystalline, mineral bearing parts
CH330818A
(en )
1958-06-30
Process for the production of acids or salts
CH315969A
(en )
1956-09-15
Process and device for finishing the surface of materials
CH345079A
(en )
1960-03-15
Process for the production of surface rectifiers or transistors
CH223479A
(en )
1942-09-15
Process for the production of a chromium-containing surface layer on objects made of iron or steel.
AT194674B
(en )
1958-01-10
Process for the formation of a surface protection and / or finishing layer
CH310263A
(en )
1955-10-15
Process for cleaning metal surfaces with simultaneous formation of phosphate layers.
CH469557A
(en )
1969-03-15
Process for the finishing of at least one surface of press plates consisting of one or more layers
AT187032B
(en )
1956-10-10
Process for the production of a profiled visible surface on concrete blocks
CH341000A
(en )
1959-09-15
Process for the production of surface layers
CH312787A
(en )
1956-02-29
Process for the production of objects provided with a metal layer
CH319250A
(en )
1957-02-15
Process for the production of phosphate layers on iron surfaces
CH480448A
(en )
1969-10-31
Method of forming a thin layer
CH321118A
(en )
1957-04-30
Process for the production of surface layers on metals
AT177357B
(en )
1954-01-25
Process for improving the surface of skiing areas
AT182285B
(en )
1955-06-10
Process for the precise finishing or surface shaping of metal bodies
CH316268A
(en )
1956-09-30
Method of manufacturing selenium rectifier plates
CH314470A
(en )
1956-06-15
Method of manufacturing selenium rectifier plates
AT177801B
(en )
1954-03-10
Process for surface finishing of metallic workpieces
AT193785B
(en )
1957-12-10
Process for the production of coverings for floors or the like.
AT169268B
(en )
1951-10-25
Method of restoring sheet metal insulation on the machined surface of laminated bodies
AT242967B
(en )
1965-10-11
Method for determining the unevenness of the surface of a road
AT174725B
(en )
1953-04-25
Method of manufacturing floors
AT179634B
(en )
1954-09-25
Method of making a roof covering