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