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DK10829C
(en)
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Device for guiding the contact rod on electric trams and the like downwards when the roller runs off the wire.
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DK11331C
(en)
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Device for pulling down the contact bar on electric trams when the roller runs off the wire.
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US863984A
(en)
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Trolley.
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GB190726778A
(en)
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Improvements in Rope, Rope Guide, and similar Lubricating Means.
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DK9287C
(en)
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Support device for the contact roller for electric trams.
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ES41788A1
(en)
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A current limiting device.
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GB190703633A
(en)
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Improvements in Electric Meters.
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GB190714080A
(en)
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Improvements in Fruit-picking Devices.
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ES39985A1
(en)
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An electrical energy device called "Cinesio".
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|
GB190711337A
(en)
|
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A New or Improved Weed-extracting Device.
|
|
GB190806895A
(en)
|
|
Improvements in Electrical Current Meters.
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GB190807306A
(en)
|
|
Micro-kinematograph Apparatus.
|
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CH39399A
(en)
|
|
Safety device on coupled trams
|
|
GB190725740A
(en)
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|
Improvements in Electrically Operated Signalling Installations.
|
|
CH45720A
(en)
|
|
Lifting device on the trolley
|
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ES41241A1
(en)
|
|
An electric transformer furnace.
|
|
ES41813A2
(en)
|
|
Improvements in metal cables or cords.
|
|
GB190725904A
(en)
|
|
Improvements in Course Indicating Devices.
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ES40872A1
(en)
|
|
An electric oven device.
|
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ES40200A1
(en)
|
|
An electric oven device.
|
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DK10461C
(en)
|
|
Device for fastening wire cords on insulators.
|
|
DK11557C
(en)
|
|
Electrical Command Device.
|
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ES36232A2
(en)
|
|
A device called the Gil system electric current limiter.
|
|
ES40973A1
(en)
|
|
A new electric current limiter titled "True".
|
|
AT31735B
(en)
|
|
Protection device on electric tram cars.
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