Prefabricated rail cover of tramway and railway tracks, method to fix track rails (versions) and track slab .

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Prefabricated rail cover of tramway and railway tracks, method to fix track rails (versions) and track slab

Prefabricated rail cover of tramway and railway tracks, method to fix track rails (versions) and track slab

Номер патента: RU2513329C1
Опубликовано: 20-04-2014
Автор(ы): Владимир Иосифович Петросян
Принадлежит: Владимир Иосифович Петросян
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