Steel-edged rubber waterstop for underground pipe gallery trapezoidal socket and construction method of steel-edged rubber waterstop
The invention relates to the field of underground municipal comprehensive pipe gallery engineering construction, in particular to a steel-edged rubber waterstop for an underground pipe gallery trapezoidal socket and a construction method of the steel-edged rubber waterstop. The two ends of the steel...
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Format: | Patent |
Sprache: | chi ; eng |
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