Patent classifications
G
PHYSICS
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G08
SIGNALLING
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G08G
TRAFFIC CONTROL SYSTEMS
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1/00
Traffic control systems for road vehicles
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G08G1/14
indicating individual free spaces in parking areas
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G08G1/145
where the indication depends on the parking areas
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G08G1/146
where the parking area is a limited parking space, e.g. parking garage, restricted space
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