| 3917.10    |            | Artificial guts (sausage casings) of hardened protein or of cellulosic materials | 
| 3917.10    | 010        | 1 Of hardened protein | 
| 3917.10    | 020        | 2 Of cellulosic materials | 
| 3917.10    |            | Tubes, pipes and hoses, rigid : | 
| 3917.21    | 000        | Of polymers of ethylene | 
| 3917.22    | 000        | Of polymers of propylene | 
| 3917.23    | 000        | Of polymers of vinyl chloride | 
| 3917.29    | 000        | Of other plastics | 
| 3917.29    |            | Other tubes, pipes and hoses | 
| 3917.31    | 000        | Flexible tubes, pipes and hoses, having a minimum burst pressure of 27.6 MPa | 
| 3917.32    |            | Other, not reinforced or otherwise combined with other materials, without fittings | 
| 3917.32    | 010        | - Of polymers of ethylene | 
| 3917.32    | 020        | - Of polymers of vinyl chloride | 
| 3917.32    | 090        | - Of other plastics | 
| 3917.33    | 000        | Other, not reinforced or otherwise combined with other materials, with fittings | 
| 3917.39    |            | Other | 
| 3917.39    | 010        | 1 Of polymers of vinyl chloride or vinyl acetate | 
| 3917.39    | 090        | 2 Other | 
| 3917.40    | 000        | Fittings |