CH327712A
(en )
1958-02-15
Process for cleaning silicon
CH322260A
(en )
1957-06-15
Process for the production of N-methylol-polypyrrolidones
AT278221B
(en )
1970-01-26
Process for processing high quality oils
AT180228B
(en )
1954-11-25
Process for processing mica
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
CH331865A
(en )
1958-08-15
Process for cleaning metallic objects
CH321139A
(en )
1957-04-30
Process for the production of direct positives
AT178202B
(en )
1954-04-26
Process for hardening ethoxylin resins
CH329393A
(en )
1958-04-30
Process for cleaning metal surfaces
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
CH321682A
(en )
1957-05-15
Process for the manufacture of selenium rectifiers
AT177860B
(en )
1954-03-10
Process for conveying viscous substances
AT177587B
(en )
1954-02-10
Device for processing field products
CH332837A
(en )
1958-09-30
Process for the direct production of positives
AT186088B
(en )
1956-07-10
Process for the hot forming of metals
CH351600A
(en )
1961-01-31
Process for the preparation of organohalomonosilanes
CH322645A
(en )
1957-06-30
Process for the production of semi-pulp
AT185644B
(en )
1956-05-25
Process for cleaning metals
AT199311B
(en )
1958-08-25
Process for obtaining anisomycin
AT188344B
(en )
1957-01-10
Process for photo-mechanical surface treatment of objects
AT189041B
(en )
1957-02-25
Process for accelerating the drying of pasta
AT177364B
(en )
1954-01-25
Process for removing structures in ceramic products
AT186093B
(en )
1956-07-10
Process for the production of metallic electrodes
AT186094B
(en )
1956-07-10
Process for the production of metallic electrodes
AT178425B
(en )
1954-05-10
Method for obtaining antibioticis