|
DE1530428A1
|
|
Method and device for monitoring the speed of rail vehicles
|
|
DE1516928A1
|
|
Electric moving coil measuring instrument
|
|
DE1516071A1
|
|
Electric measuring instrument
|
|
GB776624A
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Improvements in or relating to safety devices for railway vehicles
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GB739969A
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Improvements in or relating to electrical bimetallic indicating instruments
|
|
GB747921A
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Improvements in or relating to devices for indicating the number of revolutions or speed of a rotatable shaft
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|
GB491404A
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Improvements in and relating to dynamo electric machines
|
|
GB414539A
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Improvements in mileage counters for vehicles
|
|
GB418249A
|
|
Improvements in mileage counters for vehicles
|
|
GB367232A
|
|
Improvements in eddy current speed indicators and recorders
|
|
GB359452A
|
|
Improvements in or relating to recording apparatus for vehicles
|
|
GB344114A
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|
Improvements in or relating to road or advertising signs
|
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GB328816A
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Improvements in or relating to vibration recorders
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|
GB285660A
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|
Vacuum fuel feeder for internal-combustion engines
|
|
GB256883A
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|
Improvements relating to suction devices for supplying fuel to explosion engines
|
|
GB231442A
|
|
Improvements in or relating to speedometers of the eddy current type
|
|
GB175957A
|
|
Improvements in or relating to speedometers
|
