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