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