CH247849A
(en )
1947-03-31
Electric switch.
DK78103C
(en )
1954-09-13
Impulse sensor for electric fences with a tiltable mercury contact tube.
CH238757A
(en )
1945-08-15
Contact arrangement.
DK64481C
(en )
1946-05-13
Impulse transmitter for electric fences with a tiltable Mercury contact tube.
CH248942A
(en )
1947-05-31
Mercury contact tube.
DK64151C
(en )
1945-12-10
Electric Fence with an Impulse Sensor containing a Mercury Contact Tube.
CH248330A
(en )
1947-04-30
Electric discharge tube.
DK72869C
(en )
1951-08-06
Electric fence with an encoder containing a mercury contact tube.
FR904307A
(en )
1945-11-02
Electric discharge tube
DK68174C
(en )
1948-12-20
Impulse transmitter with a mercury contact tube for electric fences.
DK63722C
(en )
1945-07-23
Impulse transmitter with a Mercury contact tube for electric fences.
CH248328A
(en )
1947-04-30
Mercury contact tube.
CH241775A
(en )
1946-03-31
Electric discharge tube.
DK80526C
(en )
1956-02-13
Impulse transmitter with a two-branch mercury contact tube for electric fences.
DK68101C
(en )
1948-12-13
Electric fence with an encoder containing a mercury contact tube.
DK66209C
(en )
1948-01-19
Device by Mercury Contact Tube.
DK66087C
(en )
1947-12-22
Impulse sensor for mains-powered electric fences.
DK71239C
(en )
1950-07-17
Impulse transmitter with a mercury dip tube, especially for electric fences.
DK68440C
(en )
1949-01-24
Voltage sensor for electric fences.
DK69799C
(en )
1949-08-29
Electric discharge tube with ignition electrode.
DK63748C
(en )
1945-07-30
Battery-powered Impulse Sensor for Electric Fences.
DK68170C
(en )
1948-12-20
System with an electric discharge device.
DK70124C
(en )
1949-10-24
Electric fence with mercury contact tube and impulse capacitor.
DK74458C
(en )
1952-07-21
Electric fence with a thermally driven mercury contact tube.
CH241327A
(en )
1946-02-28
Contact measuring device.