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