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R & D report
Head: Hrechko Andriy Valentynovych. Scientific research studies of technical characteristics of ball valves reference number 4300 4300В, 4325Б, brake rigging regulator РТРП-300 and brake cylinder 710. (popup.stage: ). Ukrainian State Reserch institute of car building. № 0213U007822
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Updated: 2025-06-14