Interlining of pipelines for transporting sewage, water, slurrie
Interlocked plastic-encased concrete pipe
Interlocking refractory for covering a pipe
Interlocking refractory segments
Interlocking truncated triangular insulator
Interlocking, laminated refractory for covering a pipe
Internal diameter coatings for fire protection piping
Internal support structure for heat exchanger
Internally insulated, corrosion resistant pipeline
Internally tin-coated copper pipe and method for coating a coppe