DIN EN 1716:1997-03 Plastics piping systems - Polyethylene (PE) tapping tees - Test method for impact resistance of an asssembled tapping tee; German version EN 1716:1997
1997DIN EN 1716:1997-03 Plastics piping systems - Polyethylene (PE) tapping tees - Test method for impact resistance of an asssembled tapping tee; German version EN 1716:1997
1997DIN EN 1716:1997 Plastics piping systems - Polyethylene (PE) tapping tees - Test method for impact resistance of an asssembled tapping tee; German version EN 1716:1997