CH53804A
(en )
1912-04-01
Reading device on electrical measuring devices
CH57335A
(en )
1913-01-02
Display device on electrical measuring instruments
CH64966A
(en )
1914-05-01
Measuring device on devices
ES50166A1
(en )
1911-05-01
An electrical device for measuring.
CH51011A
(en )
1911-07-17
Plug contact device
CH59198A
(en )
1913-05-02
Device for fine reading on devices with graduations
CH49623A
(en )
1911-03-01
Supports for electrical measuring devices
CH52348A
(en )
1911-11-16
Electrical monitoring device for points
CH54349A
(en )
1912-05-17
Measuring device
CH55450A
(en )
1912-08-16
Electric alarm device on clocks
FR422503A
(en )
1911-03-23
Electrical measuring devices
CH83069A
(en )
1919-11-01
Device for measuring the electrical current
CH82918A
(en )
1919-11-01
Device for measuring the electrical current
CH70783A
(en )
1915-11-01
Device for measuring the electrical current
CH64214A
(en )
1914-04-01
Marking device on rotary measuring machines
CH46239A
(en )
1910-02-16
Fixing device for electrical conductors on insulators
CH63677A
(en )
1914-02-16
Protective device on above-ground electrical lines with several conductors
CH55628A
(en )
1912-09-02
Electrical connection device
CH50640A
(en )
1911-06-16
Braking device on slide
CH49821A
(en )
1911-04-01
Braking device on slide
CH57849A
(en )
1913-02-01
Clamping device for electrical lines
AT82874B
(en )
1921-02-25
Protection device for electrical lines.
FR428578A
(en )
1911-09-02
Reading device for electrical measuring instruments
CH60816A
(en )
1913-08-16
Contact device on electric pendulum clocks
CH49969A
(en )
1911-04-17
Electrical contact device