Partial-seepage drainage pipe with mating sleeve
Perforated drainpipe for railway decks
Permeable conduits for disbursing fluids
Pipe assembly for collecting surface water runoff and...
Pipe couplings for irrigation systems
Pipe for underdraining
Pipe for watering plants
Plastic corrugated drainage pipe
Plastic sewage pipe
Plastic underdrainage tube
Porous pipe and apparatus and method of producing the same
Porous tubes and hollow profile structures and method of making
Prefabricated vertical earth drain and method of making the same
Prefabricated vertical earth drain with relief protrusions
Process for the construction of a drain system
Production of PVC irrigation pipe and the pipe so produced
Profile elements, particularly for supply and/or removal of subs
Protective body/cover to be placed over discharge openings on pi