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