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