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ES190030A1
|
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Improvements in human chamber electrical resonators, applicable to the construction of radar equipment
|
|
ES188697A1
|
|
Improvements in the circuits to generate short electric output impulsions
|
|
ES188642A1
|
|
Improvements in the appliances to generate a voltage in continuous current, in dependence of electrical vibrations
|
|
GB656688A
|
|
Improvements in and relating to resonators for use in monitoring radar equipment
|
|
GB652190A
|
|
Improvements in or relating to sextant and other hatches
|
|
GB645644A
|
|
Improvements in and relating to radar responder beacons
|
|
GB645642A
|
|
Improvements in and relating to electric pulse generators
|
|
GB645317A
|
|
Improvements in and relating to electric pulse-generating circuits
|
|
GB650632A
|
|
Improvements in apparatus for generating a direct voltage in dependence upon electric pulses
|
|
ES182479A1
|
|
A recording equipment
|
|
ES181271A1
|
|
An installation to emit sound waves and receive ecoso
|
|
ES181272A1
|
|
A perfected recording instrument
|
|
GB624580A
|
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Improvements in or relating to recording apparatus
|
|
GB608912A
|
|
Improvements in and relating to illuminating means for marine sextants
|
|
GB608913A
|
|
Improvements in and relating to the tangent screws of instruments
|
|
US2434057A
|
|
Means for indicating the angular displacements of a shaft at a distance
|
|
GB607474A
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|
Improvements in and relating to sextant type instruments for marine navigation
|
|
US2501479A
|
|
Mounting of stabilized platforms on moving vehicles
|
|
GB597014A
|
|
An improved desiccator unit
|
|
GB596072A
|
|
Improvements in and relating to means for adjusting magnetic compasses
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