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