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