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