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