CH62897A
(en )
1913-12-16
Connection method of system disc and axis for electrical measuring instruments
CH49623A
(en )
1911-03-01
Supports for electrical measuring devices
CH58301A
(en )
1913-03-01
Electrical installation for the optional operation of apparatus
CH54223A
(en )
1912-05-01
Lighting instrument for medical purposes
CH65762A
(en )
1914-07-01
Coil carriers for the main current coils of meters and other measuring instruments
NL1032C
(en )
1916-01-15
Electrical measuring instrument
CH65574A
(en )
1914-06-16
Carriers for electrical measuring and auxiliary devices
CH52348A
(en )
1911-11-16
Electrical monitoring device for points
CA155258A
(en )
1914-04-21
Electrical measuring instrument
CH64079A
(en )
1914-03-02
Fixing clamp for electrical cables on walls and ceilings
CH49625A
(en )
1911-03-01
Watt-hour meter for direct current
FR428480A
(en )
1911-08-31
Hour meter recorder
FR422073A
(en )
1911-03-11
Method of construction of coils of electrical devices
CA161572A
(en )
1915-03-30
Electrical measuring instruments
CH55631A
(en )
1912-09-02
Device on control apparatus for electrical regulators for astasis of the same
CH51333A
(en )
1911-08-16
Insulator for electrical purposes
CH47811A
(en )
1910-08-16
Vibration dampers for electrical and other measuring devices
FR433267A
(en )
1911-12-29
Improvements in electrical measuring instruments
CH65154A
(en )
1914-06-01
Measuring instrument
CH57149A
(en )
1912-12-16
Carbon electrode for electrical purposes
CH53842A
(en )
1912-04-01
Fixing clamp for electrical lines
CH58321A
(en )
1913-03-01
Suspension device for the contact wire of electric railways
CH69717A
(en )
1915-07-16
Multiple suspension of the catenary for electric railways
CH72441A
(en )
1916-09-01
Equipment for rail traffic for the electrical transmission of signal commands
CH56391A
(en )
1912-11-01
Instrument for slope measurement