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