FR1110465A
(en )
1956-02-13
Signal rocket
CH342624A
(en )
1959-11-30
Electrodynamic system for generating mechanical impulses
CH329769A
(en )
1958-05-15
Pneumatic measuring instrument
FR1117548A
(en )
1956-05-23
Whistle
CH333972A
(en )
1958-11-15
Device for generating an image from received signals
CH360711A
(en )
1962-03-15
Receiver for an encrypted signal
AT185126B
(en )
1956-03-26
Attachment for level instruments
FR1101001A
(en )
1955-09-27
Electronic harmonica
CH332681A
(en )
1958-09-15
Single sideband receiver for voice signals
CH320972A
(en )
1957-04-15
Circuit arrangement for generating a sawtooth-shaped current
FR1116966A
(en )
1956-05-15
New musical instrument
FR1226403A
(en )
1960-07-11
Advanced electrical signal generators
AT184247B
(en )
1955-12-27
Device for achieving large display expansions for measuring instruments
FR1074959A
(en )
1954-10-11
Electronic musical instrument
AT189653B
(en )
1957-04-25
Receive circuit for characters sent by signal scanning
AT183451B
(en )
1955-10-10
Circuit for generating vibrations
AT187945B
(en )
1956-12-10
Device for fine-tuning an oscillation circuit
AT192648B
(en )
1957-10-25
Device for reproducing a signal voltage
CH324916A
(en )
1957-10-15
Device for generating artificial traffic on artificial lines
FR1156809A
(en )
1958-05-21
Periodic signal generator
FR1122221A
(en )
1956-09-04
Gasifier
AT186322B
(en )
1956-07-25
Cases for measuring instruments
FR69096E
(en )
1958-09-22
reading scale cooperating with an index for measuring instruments, in particular for electrical measuring instruments
ES41279Y
(en )
1954-10-16
Toy musical instrument
AT186011B
(en )
1956-06-25
Circuit for magnetic sound devices