Reinforced concrete bifurcated pipe of reposition of redundant personnel crotch portion belted steel lining
The utility model relates to a reinforced concrete bifurcated pipe of reposition of redundant personnel crotch portion belted steel lining. The utility model aims at providing a reinforced concrete bifurcated pipe of reposition of redundant personnel crotch portion belted steel lining to solve bifur...
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| Format: | Patent |
| Sprache: | eng |
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