[n: Ferro-ferrioxydes] {g11b 5/706c6d2} Patents (Class G9B/5.268)

Cross-Reference Art Collections

[n: magnetite] {g11b 5/706c6d2b} (Class G9B/5.269)
[n: non-stoechiometric ferro-ferrioxydes, e.g. berthollide] {g11b 5/706c6d2c} (Class G9B/5.27)

There are no patents to show for this class.