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铜陵
铜陵A sealing and fitting structure for a well body
铜陵Closed physical examination and well inspection
铜陵A New Type of Closed Composite Plastic Inspection Well
铜陵Business license
铜陵High and New Technology Enterprise Certificate
铜陵Low-carbon safe operation of urban and rural water supply systems applicable technology and equipment
铜陵Assembled high-strength composite resin inspection wells
铜陵Development and Application Technology Integration of Assembled High Strength Composite Resin Water Supply Inspection Well
铜陵Quality management system certification
铜陵Occupational Health Management System Certification
铜陵Environmental Management System Certification
铜陵People's Republic of China communications industry standard "underground communications pipeline with preformed composite man (hand) hole
铜陵China Association for the Promotion of International Science and Technology "assembled high-strength composite resin inspection wells
铜陵Group standard for IoT intelligent terminal protection water meter wells
铜陵Standardization Working Committee of China Association for the Promotion of International Science and Technology
铜陵Housing and Construction Department Announcement
铜陵Technical standards for assembled high-strength composite resin water supply wells
铜陵A structural type of manhole cover
铜陵A kind of combined municipal inspection well
铜陵Electricity intelligent manhole cover
铜陵Split type composite inspection well
铜陵A kind of FRP resin inspection well with prefabricated composite seal at the branch pipe opening
铜陵An IoT monitoring well tool
铜陵A polygonal reinforced well
铜陵A composite well with lateral expansion
铜陵A kind of interlocking diagonal reinforcement at the corners
铜陵A reinforcing structure with reinforcing bars and reinforcing blocks
铜陵A deepening tube with grid-like reinforcement
铜陵A staggered reinforcement structure at the corners
铜陵A re-straight fit structure of well body and deepening pipe
铜陵A concave-convex structure docking mating structure applied to a closed composite well
铜陵A mating composition of a ribbed assembly for a split well
铜陵A surface reinforced structure with multiple shape fits on the surface
铜陵A seal fitting structure at the position of well body and top cover
铜陵A reinforced structure with inner and outer diamond fit