FR845402A
(en )
1939-08-23
Advanced training in electrical transmission devices
AT182146B
(en )
1955-05-25
Device for monitoring the pressure in an oil-filled cable
FR855068A
(en )
1940-05-01
Removable connecting device for electrical conductors
AT178935B
(en )
1954-06-25
Electrical signal system for transmitting irregular waveforms
FR839526A
(en )
1939-04-05
Apparatus for transforming pressure variations into variations in electrical quantities
FR863913A
(en )
1941-04-12
Improvements in electrical measuring devices
CH206771A
(en )
1939-08-31
Device for making sharp-edged or obtuse-edged holes.
CA371779A
(en )
1938-02-08
Pressure measuring apparatus
CA383732A
(en )
1939-08-29
Lubricating apparatus
CH208722A
(en )
1940-02-29
Cardboard can package and method and apparatus for making the same.
CA379543A
(en )
1939-02-14
Indicating apparatus
CA382026A
(en )
1939-06-13
Fluid inspecting apparatus
CH226557A
(en )
1943-04-15
Device for frequency multiplication.
CA372147A
(en )
1938-03-01
Measuring apparatus
CH197509A
(en )
1938-05-15
Device for straightening the horns of horned cattle.
CH207016A
(en )
1939-09-15
Device for converting direct voltage into alternating voltage.
AU107656B2
(en )
1939-06-22
Improvements in or relating to apparatus for reconditioning pipelines
AU402716B2
(en )
1939-03-20
Electrical apparatus connecting means
CA372762A
(en )
1938-03-29
Electrical measuring device
CA375418A
(en )
1938-07-26
Measuring device
CA381620A
(en )
1939-05-30
Electrical signalling apparatus
CH229970A
(en )
1943-11-30
Device for adjusting the object to be examined in a corpuscular beam apparatus.
CA372117A
(en )
1938-03-01
Water handling apparatus
CA374753A
(en )
1938-06-28
Gas analysing apparatus
CA380552A
(en )
1939-04-04
Imprinting apparatus