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