Shallow shaped steel formula bridge telescoping device that buries of double slit
The utility model relates to a shallow shaped steel formula bridge telescoping device that buries of double slit, including two boundary beams, zhong liang and many rhizophores roof beam, the both sides roof beam is installed respectively on the bridge girders of expansion joint both sides, well pos...
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Format: | Patent |
Sprache: | chi ; eng |
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