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