CH302707A
(en )
1954-10-31
Method for changing the electrical properties of a semiconductor body in places.
FR1028153A
(en )
1953-05-20
electrode for bipolar electrolyzers
AT167997B
(en )
1951-03-27
Process for improving the electrical conductivity of the ground
CH286549A
(en )
1952-10-31
Method and arrangement for determining electrical conductivity.
CH286694A
(en )
1952-10-31
Method of electrical image transmission.
AT165431B
(en )
1950-02-25
Process for the production of electrically heated devices
CH296818A
(en )
1954-02-28
Process for the production of contact springs used in electrical switchgear.
AT168866B
(en )
1951-09-10
Method of making electrical collectors
CH494308A
(en )
1970-07-31
Electric iron
AT176261B
(en )
1953-10-10
Process for the production of electrical semiconductors
AU146918B2
(en )
1949-06-09
Method of improving the electric conductivity of soil
AT169819B
(en )
1951-12-27
Process for obtaining the γ-isomer of hexachlorocyclohexane in a technically pure state
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
AU2744849A
(en )
1949-06-09
Method of improving the electric conductivity of soil
AT184944B
(en )
1956-03-10
Process for the production of electrical wiring patterns
ES189314A1
(en )
1949-10-16
A METHOD OF IMPROVING THE ELECTRICAL CONDUCTIVITY OF THE SOIL
CH278601A
(en )
1951-10-31
Methods of soil improvement.
FR1013748A
(en )
1952-08-04
Corrosion protection process
ES190098A1
(en )
1950-01-01
PROCEDURE FOR OBTAINING 4-AMINOPHENOLCARBOXYLIC ACIDS
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
FR58871E
(en )
1954-04-06
Advanced trailer
FR980992A
(en )
1951-05-21
Spade
AT170685B
(en )
1952-03-10
Device for processing according to the sink-swim method
CH293552A
(en )
1953-09-30
Arrangement for giving pulses to an electrical switch.
AT170032B
(en )
1952-01-10
Process for the extraction of argon