CH324080A
(en )
1957-08-31
Process for the preparation of basic derivatives of 2-aryl-indoles
CH317900A
(en )
1956-12-15
Process for the production of basic polyglycol ethers
CH334825A
(en )
1958-12-15
Process for the manufacture of prostheses
AT190591B
(en )
1957-07-10
Process for making an incandescent lamp
CH329673A
(en )
1958-05-15
Process for making openings on skewers of ampoules
AT189282B
(en )
1957-03-11
Process for making an electric incandescent lamp
AT213488B
(en )
1961-02-27
Process for making an incandescent lamp
CH329721A
(en )
1958-05-15
Process for the manufacture of color couplers for color photography
CH338845A
(en )
1959-06-15
Process for the preparation of alkylated phenols
CH359207A
(en )
1961-12-31
Process for making an incandescent lamp
CH339488A
(en )
1959-06-30
Process for the production of an alkaline sulphide liquor
CH321139A
(en )
1957-04-30
Process for the production of direct positives
AT191399B
(en )
1957-08-26
Process for the preparation of diazo compounds
CH323345A
(en )
1957-07-31
Process for the production of radiographs.
CH326540A
(en )
1957-12-31
Process for the preparation of dimethyl terephthalate
AT194485B
(en )
1958-01-10
Process for making an electric incandescent lamp
CH326587A
(en )
1957-12-31
Process for the manufacture of electric flashlight lamps
AT183504B
(en )
1955-10-25
Process for making tanned bare
CH351600A
(en )
1961-01-31
Process for the preparation of organohalomonosilanes
AT187612B
(en )
1956-11-10
Process for the production of gas incandescent bodies
CH332837A
(en )
1958-09-30
Process for the direct production of positives
AT187115B
(en )
1956-10-25
Process for the preparation of dihydrazinodiazine derivatives
AT191843B
(en )
1957-09-25
Process for the production of permanent, local Gaufrage effects
AT189712B
(en )
1957-04-25
Process for the manufacture of electric light bulbs
AT186552B
(en )
1956-08-25
Process for making shoes