[Class : 17] Canvas Hose Pipes; Flexible Pipes, Tubes And Hoses, Not Of Metal; Rubber Couplings For Pipes; Insulation Jackets For Pipes; Insulation Materials For Pipes; Non Metallic Flexible Pipes; Joint Packings For Pipes; Non Metallic Junctions For Pipes; Watertight Rings For Plumbing Pipes; Couplings, Not Of Metal, For Pipes; Couplings Of Rubber For Pipes; Non Metal Fitti...