FR1067508A
(en )
1954-06-16
Polymer refinements
NL172187B
(en )
RADIO NAVIGATION DEVICE.
CH289526A
(en )
1953-03-15
Amplifier device for microwaves.
CH339258A
(en )
1959-06-30
Circuit arrangement for switching systems
AT178648B
(en )
1954-05-25
Device for stabilizing an operating voltage, in particular for radar devices
CH305451A
(en )
1955-02-28
Device for stabilizing an operating voltage, in particular for radar devices.
FR1059913A
(en )
1954-03-29
Wiper blade
AT173567B
(en )
1953-01-10
Device for utilizing the simultaneous contrast-like effect of an environmental shield
CH287660A
(en )
1952-12-15
Ratchet device, especially for capstans.
AT172593B
(en )
1952-09-25
Optical display device for electrical voltage, particularly used for tuning display
AT176470B
(en )
1953-10-26
pipette
AT174126B
(en )
1953-02-25
Step control device for transformers
CH309315A
(en )
1955-08-31
Electromagnetic control device, in particular for electrical switching devices.
AT174597B
(en )
1953-04-10
Handle attachment device for handle devices
AT171897B
(en )
1952-07-10
Reclosing device, especially for distribution networks
CH290120A
(en )
1953-04-15
Amplifier device for microwaves.
FR1045722A
(en )
1953-12-01
Stylograph refinements
DK75607C
(en )
1953-03-23
Device for electrical systems.
CH296169A
(en )
1954-01-31
Holding device on an electrode.
ES191769A1
(en )
1951-02-16
BOARD DEVICE FOR TABLE-BED
DE1633804U
(en )
1952-01-24
SHORT CIRCUIT TEST DEVICE.
ES27525Y
(en )
1957-02-01
Ruler device
AT172705B
(en )
1952-10-10
Clamping device, in particular for cleaning devices
CH296881A
(en )
1954-02-28
Locking device on switch wing.
CH260179A
(en )
1949-02-28
Stabilizing transformer, especially for high-voltage lines.