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