Waterflood process using low molecular weight acrylic acid...
Waterflooding employing mixtures of sulfonate surfactants
Waterflooding employing neutralized organic acids obtained...
Waterflooding employing surfactant solution
Waterflooding employing thickened aqueous liquids
Waterflooding process
Waterflooding process
Waterflooding process with recovery of lost surfactant
Waterflooding using sulfonated polyethoxylated aliphatic...
Waterflooding with an aqueous, saline solution of a...
Watering device
Waterproof coating composition
Waterproof coating system with elastic joints
Waterproof composite coating and process of manufacture
Waterproof covering device for a roof or the like
Waterproof covering device, especially for terraces, and...
Waterproof floor formation
Waterproof gas-permeable compost cover
Waterproof joints between timbers
Waterproof juncture