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