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>On the Abrasion Test of Carbon-Steel (Rail and Tyre) After Hardened by Means of High Frequency Induction : The 3rd Report, Contrast of indoor-test and octual of railroad
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On the Abrasion Test of Carbon-Steel (Rail and Tyre) After Hardened by Means of High Frequency Induction : The 3rd Report, Contrast of indoor-test and octual of railroad