Water stopping device for concrete construction joint of pool wall of reorganization and expansion sewage treatment plant
The utility model discloses a water stopping device for a concrete construction joint of a pool wall of a reorganization and expansion sewage treatment plant. The water stopping device comprises a water-swelling water stopping strip, a pre-buried grouting pipe, an exposed grouting pipe, new concrete...
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Format: | Patent |
Sprache: | chi ; eng |
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