Pond expansion joint structure
The utility model relates to a construction technical field in pond discloses a pond expansion joint structure, and it includes and a concrete slab 1 and the 2nd concrete slab 7 are equipped with expansion joint 5 between a concrete slab 1 and the 2nd concrete slab 7, is equipped with waterstop 6 on...
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Format: | Patent |
Sprache: | chi ; eng |
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