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