Helically wound plastics hose - has lapped foil joints and longitudinal stretch in foil other than at joints
DE2801204B1
Fabric-reinforced plastic weather flute
DE2753669A1
Three ply laminated flame-resistant hose made by winding - comprises glass-fibre textile tape inner and outer plies, and intermediate polyurethane-PVC or PVAC binder ply
DE2722011B1
Device for producing a plastic hose
DE2625205A1
Mines ventilation ducting - made from polyamide thread warp and tape weft with PVC coating impregnating at points
DE1902796A1
Thermoplastic hose pipe,with a wound overlap
ES323817A1
Improvements in the aeration tubes. (Machine-translation by Google Translate, not legally binding)
GB865562A
Improvements in and relating to helically coiled tubes of synthetic material
GB789521A
Improvements in flexible tubing
GB789522A
Improvements in flexible tubing
GB782670A
Improvements in or relating to flexible ducts, particularly for mine ventilation
DE1019987B
Weather flute foldable like a harmonica
ES208301A1
Procedure and corresponding means for the manufacture of air conduits (Machine-translation by Google Translate, not legally binding)
GB758350A
Improvements in or relating to mine-ventilation or similar ducts
