Changes
/* groupe 1.73xx, Cr-Mo avec Mo > 0,35% */
| 10028 Flat products made of steels for pressure purposes
10216 Steel forgings for pressure purposes(tubes pour hydraulique)
10222 Seamless steel tubes for pressure purposes.
| 10028 Flat products made of steels for pressure purposes
10216 Steel forgings for pressure purposes(tubes pour hydraulique)
10253 Butt-welding pipe fittings
