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