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FF3170: Teletech Groenpol traffic light
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FF3170: Teletech Groenpol traffic lights on ex-GEC pole
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FF3170: Groenpol Industrie
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FF3170: Groenpol Industrie_1
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FF3170: Groenpol 1
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FF3170: Groenpol 2
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FF3170: Groenpol 3
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FF3170: Groenpol 4