A CONCRETE MIXING-AND-TRANSPORT TRUCK WITH A ROTARY SEALED FEED-IN/FEED-OUT PORT OF MIXING DRUM
Filling and leveling methods and apparatus for building tight tolerance surfaces
FILLING AND LEVELING METHODS AND APPARATUS FOR BUILDING TIGHT TOLERANCE SURFACES
GLAD HAND FITTING AND GASKET FOR RAILROAD CAR BRAKE HOSE
THIN GEL GASKET AND A METHOD OF MAKING AND USING THE SAME
Thin gel gasket and a method of making and using the same