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