GOST 13099
GOST 13099 (Iridium. Grades)· GOST (Russia) · 2 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| I 99,8 | И 99,8 | Precious metals and alloys (Ag, Au, Pt, Pd) | chevron_right |
| I 99,9 | И 99,9 | Precious metals and alloys (Ag, Au, Pt, Pd) | chevron_right |