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