CH277494A
(en )
1951-08-31
Automatic telecommunications switchgear.
DK79203C
(en )
1955-05-02
Apparatus for limiting the primary current when switching on transformers.
CH300169A
(en )
1954-07-15
Circuit for commissioning transformers.
CH237265A
(en )
1945-04-15
Switching device for switching off high-voltage direct current.
DK79978C
(en )
1955-10-10
Apparatus for making positive photocopies.
DK77864C
(en )
1954-07-26
Coupling device by Leonard generators for suppressing the residual voltage.
DK79874C
(en )
1955-09-19
Apparatus for comminuting waste.
DK107855C
(en )
1967-07-10
Apparatus for making copies.
CH264145A
(en )
1949-09-30
Equipment in telecommunication systems, for the execution of switching processes at the subscriber.
DK91142C
(en )
1961-06-19
Apparatus for impregnating wood.
DK90739C
(en )
1961-04-17
Apparatus for generating and modulating therapeutically effective electric currents.
DK81253C
(en )
1956-07-02
Apparatus for lifting the sick.
DK77816C
(en )
1954-07-12
Apparatus for developing photocopies.
DK78191C
(en )
1954-10-04
Procedure for making beer.
DK61149C
(en )
1943-07-19
Apparatus for Insulating Electrical Conductors.
GR12818B
(en )
1951-01-31
ELECTRIC LIGHT SWITCH AFTER TRANSFORMER.
DK62981C
(en )
1944-12-04
Apparatus for Killing Aal.
DK91829C
(en )
1961-09-25
Apparatus for generating therapeutically effective electrical current pulses.
DK81294C
(en )
1956-10-15
Font binding device.
DK80824C
(en )
1956-04-09
Apparatus for treating woven webs.
DK74746C
(en )
1952-09-22
Apparatus for producing toner.
DK70463C
(en )
1950-01-09
Switching on and off mechanism for an automatic switch.
DK73044C
(en )
1951-09-10
Switching on and off mechanism for an automatic switch.
CH241283A
(en )
1946-02-28
Device for eliminating arc faults.
CH296807A
(en )
1954-02-28
Diverter switch for step transformers.