AT174751B
(en )
1953-05-11
Coupling device, in particular for electric calculating machines
CH293168A
(en )
1953-09-15
Switching device for electrical arithmetic units, calculating machines, accounting machines and the like.
AT177573B
(en )
1954-02-10
Coupling device, in particular for electric calculating machines
CH267509A
(en )
1950-03-31
Electric machine.
AT162367B
(en )
1949-02-25
Calculating machine, in particular for teaching purposes
CH270717A
(en )
1950-09-15
Electrical switching device.
FR966607A
(en )
1950-10-13
Electric calculating machine
CH257846A
(en )
1948-10-31
Electric machine.
CH260048A
(en )
1949-02-28
Electric heating device for kitchen use.
CH261488A
(en )
1949-05-15
Spring closing device, in particular for electric circuit breakers.
AT168863B
(en )
1951-09-10
Electrical line system, in particular railway line system
NL140391B
(en )
ELECTRIC SIGNALING DEVICE.
CH261168A
(en )
1949-04-30
Grinding device on grinding machines.
AT175447B
(en )
1953-07-10
Electric power transmission device, in particular for sewing machines
FR948434A
(en )
1949-08-01
Self-compressing pneumatic circuit breakers
DK68966C
(en )
1949-04-19
Electric vulcanizer.
AT168549B
(en )
1951-06-25
Pendulum drives, in particular for electric clocks
CH271908A
(en )
1950-11-30
Electric scissors.
AT168702B
(en )
1951-07-25
Protection device for pantographs in electrically operated vehicles
AT170454B
(en )
1952-02-25
Cooling arrangement for electrical machines
FR941518A
(en )
1949-01-13
Improvements in electrical collector machines
CH260712A
(en )
1949-03-31
Electric machine.
CH269310A
(en )
1950-06-30
Housings for small electric motors, in particular speaking machine motors.
CH269337A
(en )
1950-06-30
Pneumatic drain meter.
AT176044B
(en )
1953-09-10
Coating conversion device for booking u. similar Calculating machines