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Retractor Device Series
This kind of product is comprised of steels and elastomeric seal.It is used in highway bridges with displacement capacity of less than or equal to 80mm.Products comply with:JT/T 327-2004 Highway bridge expansion and contraction installation.
Combing plate expan...
Modular expansion j...
Single-gap expansio...
Expansion and extra...
Unit sparse plate ...
Steel and combing p...
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