Embedded pressing type waterproof and dustproof bridge expansion device, waterstop and method
The invention relates to the field of bridge expansion joints, in particular to an embedded pressing type waterproof and dustproof bridge expansion device, a waterstop and a method. Comb plates are installed on the two sides of the expansion joint, the comb plates on the two sides are staggered with...
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Format: | Patent |
Sprache: | chi ; eng |
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