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