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