CH288169A
(en )
1953-01-15
Process for the preparation of an optical brightening agent.
CH298464A
(en )
1954-05-15
Method of making an artificial thread.
AT168590B
(en )
1951-06-25
Process for making low-nitrogen steel
CH304394A
(en )
1955-01-15
Method of making a lubricant.
AT181366B
(en )
1955-03-10
Method for obtaining an antibiotic
CH277098A
(en )
1951-08-15
Method and device for influencing movably arranged objects.
AT176390B
(en )
1953-10-10
Process for anti-freeze fogging of plant cultures
CH286694A
(en )
1952-10-31
Method of electrical image transmission.
CH295243A
(en )
1953-12-15
Process for the preparation of an imidazole derivative.
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
AT186176B
(en )
1956-07-10
Method for producing an initial primer
CH299181A
(en )
1954-05-31
Method of making a catalyst.
AT167759B
(en )
1951-02-26
Method for producing a line machine set
CH278601A
(en )
1951-10-31
Methods of soil improvement.
AT178425B
(en )
1954-05-10
Method for obtaining antibioticis
AT180424B
(en )
1954-12-10
Method for controlling an information-recording device
AT198886B
(en )
1958-07-25
Process for obtaining a new antibiotic
AT169202B
(en )
1951-10-25
Process for making tunnels
CH296661A
(en )
1954-02-28
Process for the preparation of a polyenaldehyde.
AT173439B
(en )
1952-12-27
Process for obtaining aliphatic alcohols
DD2A3
(en )
1951-07-14
Method of obtaining antibiotic substances from lichens
AT172653B
(en )
1952-10-10
Process for continuous sulfonation
CH279546A
(en )
1951-12-15
Soil cultivation device and method for making one.
AT179014B
(en )
1954-07-10
Process for the preparation of an anti-coagulant
AT171427B
(en )
1952-05-26
Process for preserving eggs