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