CH265359A
(en )
1949-11-30
Frequency-keyed telegraph transmitter.
CH258727A
(en )
1948-12-15
Telecommunication system.
DK67555C
(en )
1948-09-06
Apparatus for transmitting control impulses in the form of electrical impulses.
CH239290A
(en )
1945-09-30
Device for counting current pulses.
DK71398C
(en )
1950-08-21
Apparatus for compressing plastics.
DK74450C
(en )
1952-07-14
Apparatus for generating regular vibrations.
DK69332C
(en )
1949-06-13
Apparatus for regulating the synchronous operation of telegraph apparatus.
DK75308C
(en )
1953-01-19
Multi-channel transmission system for electrical impulses.
CH242912A
(en )
1946-06-15
Changeover device.
DK73109C
(en )
1951-09-24
Apparatus for selecting electrical impulses.
DK66128C
(en )
1947-12-29
Method for Making an Elastic Mass.
DK67117C
(en )
1948-06-28
Apparatus for Measuring Powder.
DK69990C
(en )
1949-10-03
Apparatus for use in an oscillating circuit.
CH258997A
(en )
1948-12-31
Mixed circuit.
DK70432C
(en )
1950-01-02
Apparatus for transmitting messages by means of pulses.
DK69441C
(en )
1949-06-27
Apparatus for remote control of telegraph operators.
DK73681C
(en )
1952-01-21
Telegraph.
ES10982Y
(en )
1945-08-16
Announcing apparatus.
AU121748B2
(en )
1946-07-25
Improved handsawing apparatus
DK62981C
(en )
1944-12-04
Apparatus for Killing Aal.
DK65139C
(en )
1946-11-25
Apparatus for Killing Aal.
CA420422A
(en )
1944-05-23
Vibration control apparatus
CA420421A
(en )
1944-05-23
Vibration control apparatus
DK72976C
(en )
1951-08-27
Apparatus for converting electrical signal pulses with time-shift modulation to pulses with duration modulation.
AU125094B2
(en )
1947-08-21
Improvements inroad-spraying apparatus