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