|
4902501
|
Materials for aerospace construction in general
|
|
4902505
|
Ferrous alloys in general
|
|
4902510
|
Steels
|
|
4902515
|
Non-ferrous alloys in general
|
|
4902520
|
Aluminium
|
|
4902530
|
Titanium
|
|
4902540
|
Rubber and plastics
|
|
4902550
|
Adhesives
|
|
4902560
|
Textiles
|
|
4902599
|
Other materials
|
