FR1074502A
(en )
1954-10-06
Device comprising an oscillator the frequency of which is corrected automatically
CH318133A
(en )
1956-12-15
Device with two AC voltage sources of different frequencies and means for automatic frequency correction
CH271987A
(en )
1950-11-30
Device for the transmission of electrical oscillations of acoustic frequency.
AT176303B
(en )
1953-10-10
Process for the preparation of morphine derivatives and their salts
AT180298B
(en )
1954-11-25
Device with two voltage sources of different frequencies and means for automatic frequency correction
AT172017B
(en )
1952-07-25
Device with two voltage sources of different frequencies and means for automatic frequency correction
CH273527A
(en )
1951-02-15
Tube generator for generating oscillations of adjustable frequency.
AT172024B
(en )
1952-07-25
Device for tube testing on radio equipment and for testing equipment
AT169330B
(en )
1951-11-10
Process for the preparation of pyromellitic anhydride
AT173728B
(en )
1953-01-26
Circuit for frequency modulating an oscillator
AT171655B
(en )
1952-06-25
Device for the precise stabilization or determination of the frequency of vibrations
AT174634B
(en )
1953-04-25
Device for stabilizing the frequency of microwave oscillators
CH324920A
(en )
1957-10-15
Device for generating frequency-modulated ultra-short waves with an oscillator of the reflex klystron type
CH299130A
(en )
1954-05-31
Circuit for the automatic regulation of the frequency of an oscillator.
AT171045B
(en )
1952-04-25
Method and device for the treatment of synthetic threads
AT175010B
(en )
1953-05-26
Device for post-treatment of continuously obtained artificial threads
AT178741B
(en )
1954-06-10
Method and device for optical observation with phase contrast
CA458080A
(en )
1949-07-12
Electrical apparatus for use with high frequency oscillations
AT176292B
(en )
1953-10-10
Circuit for automatic resonance tuning of the output circuit of a high-frequency generator
FR1051117A
(en )
1954-01-13
Telecommunications method and device with modification of the frequency band
AT169292B
(en )
1951-10-25
Device for fine distribution of liquids in gases
CA453836A
(en )
1949-01-04
High frequency measuring apparatus
CA461917A
(en )
1949-12-20
Adjustable frequency oscillator
AT170815B
(en )
1952-03-25
Device for generating vibrations with high frequency accuracy
AT169129B
(en )
1951-10-10
Device for generating an alternating voltage with a frequency that can be regulated within a tuning range in steps with equal frequency intervals