Analysis on inner hardness of 20Cr2Ni4A gear affected by quenching parameters[J]. MW Metal Forming, 2006, (12): 70-71.
Citation: Analysis on inner hardness of 20Cr2Ni4A gear affected by quenching parameters[J]. MW Metal Forming, 2006, (12): 70-71.

Analysis on inner hardness of 20Cr2Ni4A gear affected by quenching parameters

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