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