METHOD AND ARRANGEMENT AS WELL AS EVALUATION UNIT FOR MAKING RAILWAY-CROSSINGS PROVIDED BY LIGHT BARRIER MORE SAFETY
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Main Authors | , , , , , |
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Format | Patent |
Language | English |
Published |
29.08.1996
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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Bibliography: | Application Number: HU19940000411 |
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