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