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