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