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Plastic spacer block for protective layer of reinforcing steel bar is designed according to the requirement of national steel concrete construal design norm. It is widely applied in the civil and industrial construction of buildings, roads, bridges, tunnels, airports, subway and so on.
Plastic spacer block for protective layer of reinforcing steel bar is designed according to the requirement of national steel concrete construal design norm. It is widely applied in the civil and industrial construction of buildings, roads, bridges, tunnels, airports, subway and so on.
