Parabolic mirror construction
Penstocks
Piezo-electric film manufacture
Pipeline retard, support and protection method
Pipeline retard, support and protection method
Plastic optical fiber and process for producing the same
Plastic optical fiber and production thereof
Plastic optical fibers
Plastic optical transmission medium, process for producing the s
Plugs for bores in rocks or the like
Polymeric optical element having antireflecting surface
Process and apparatus for shirring tubular casings
Process for making an alkali resistant ceramic material
Process for manufacturing silicon carbide valve disc for...
Process for plastic LCD fill hole sealing
Process for preparing aluminum titanate powder and sintered...
Process for preparing improved silicon carbide powder
Process for preparing improved silicon carbide powder
Process for preparing sintered body of aluminum titanate
Process for producing a dense ceramic product