152894 ⎘
Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints; Adhesive or cemented joints using materials which fill the space between parts of a joint before hardening for concrete pipes
Method for Refurbishing Pre-Stressed Concrete Cylinder Pipe and Refurbished Pre-Stressed Concrete Cylinder Pipe
#2Duct coupler for use with ducts in a wet joint of segmental concrete construction
#3Device for guiding liquid and production method
#4Duct coupler devices, systems, and related methods
#5Precast concrete slab system and method therefor
#6Precast concrete slab system and method therefor
#7Method for refurbishing pre-stressed concrete cylinder pipe and refurbished pre-stressed concrete cylinder pipe