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3 Experiments on Widmanstatten ferrite	4 Experiments on Widmanstatten ferrite	7c Experiments on Widmanstatten ferrite
7d Experiments on Widmanstatten ferrite	9a Experiments on Widmanstatten ferrite	9b Experiments on Widmanstatten ferrite
9c Experiments on Widmanstatten ferrite	9d Experiments on Widmanstatten ferrite	9e Experiments on Widmanstatten ferrite
9f Experiments on Widmanstatten ferrite	11a Experiments on Widmanstatten ferrite	11b Experiments on Widmanstatten ferrite