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ES233280A1
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A battery charging system (Machine-translation by Google Translate, not legally binding)
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ES233281A1
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An electrical power supply system (Machine-translation by Google Translate, not legally binding)
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ES233220A1
|
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An electrical power supply system (Machine-translation by Google Translate, not legally binding)
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ES188548A1
|
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An electrical installation for train lighting
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ES184416A1
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An installation of electrical supply especially for the lighting of railway vehicles
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ES167181A1
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Improvements introduced to dash-pot devices or air shock absorbers, especially for use in electrical regulators
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ES166696A1
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Improvements introduced in the tragaluces with goznes, for using them, for example, in ports of vessels
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ES164601A1
|
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Improvements introduced in the electrical regulators of the type of carbon pile
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ES138618A1
|
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Improvement in the systems of electric power regulated automatically.
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ES138294A1
|
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A pole changer mechanism for reversible dynamos.
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ES133431A1
|
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Improvements in the regulatory devices.
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ES123634A1
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Improvements introduced in side lights, hatches or boat carriers.
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ES120986A1
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Improvements in electricity supply systems.
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ES117908A1
|
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Improvements in the controls in the engines and auxiliary controls for steam locomotives.
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AU2555930B
|
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Improvements in and connected with automatic regulating controlling and switching means for electrical train lighting and like installations
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ES116894A1
|
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Improvements in the regulatory bodies and automatic switches for train lighting and other similar installations.
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ES111644A1
|
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Improvements in brush devices and terminal contact mechanisms for dynamos.
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ES111360A1
|
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Improvements in the devices for the electrolytic deposit of the metal on the metal tubes.
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ES104778A1
|
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Improvements in the devices to deposit electrolytically a metal in the metal tubes.
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AU1934520B
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Improvements in and connected with windows and ventilators
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