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