Item:Q19255: Difference between revisions

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@@ Property / made from material: aluminium oxide / qualifier @@
-inscription: A (English)
@@ Property / made from material @@
+ceramic
@@ Property / made from material: ceramic / rank @@
+Normal rank
@@ Property / made from material @@
+diamond
@@ Property / made from material: diamond / rank @@
+Normal rank
@@ Property / made from material @@
+boron nitride
@@ Property / made from material: boron nitride / rank @@
+Normal rank
@@ Property / made from material: boron nitride / qualifier @@
+sourcing circumstances: circa