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US2528790A
(en)
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Auto checking and counting means for parking areas
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BE420027A
(enrdf_load_html_response)
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US2255266A
(en)
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Photographic timing device
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US2048740A
(en)
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Light sensitive apparatus
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DE10253135A1
(de)
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Verfahren und Vorrichtung zur Aufbereitung von Verkehrsinformationen
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|
US2149998A
(en)
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Traffic detector
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Pinnell et al.
|
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Inbound gulf freeway ramp control study ii |
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US3167381A
(en)
|
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Vehicle speed detection system
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US2199572A
(en)
|
|
Traffic signal
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|
US2090655A
(en)
|
|
Traffic control system and apparatus
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|
US1944723A
(en)
|
|
Control for traffic signal systems
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|
FR2402559A1
(enrdf_load_html_response)
|
|
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|
US2119593A
(en)
|
|
Traffic signal system
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|
US3431553A
(en)
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|
Signal,especially for traffic and vehicle control
|
|
US909146A
(en)
|
|
Relay.
|
|
US2135525A
(en)
|
|
Automatic variable traffic regulator
|
|
US2129446A
(en)
|
|
Traffic control signal
|
|
US3489893A
(en)
|
|
Signaling device
|
|
Preist
|
|
The author's reply to the discussions on “Electrical control of road traffic by vehicle actuation” at London, Leeds and Edinburgh |
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BE412277A
(enrdf_load_html_response)
|
|
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|
FR2478350A1
(fr)
|
|
Dispositif d'information des usagers des transports en commun
|
|
BE366477A
(enrdf_load_html_response)
|
|
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CH130815A
(fr)
|
|
Dispositif d'éclairage électrique à phare inclinable pour automobiles.
|
|
FR2787228A1
(fr)
|
|
Dispositif de prevention et d'information des conducteurs lors de la prise en contresens des routes a 2 x 2 voies ou des autoroutes
|
|
US2015435A
(en)
|
|
Vehicle timed automatic traffic signal
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