The present paper has introduced in detail the pilot production and research and development of cemented carbide printing needle with high ductility used for electronic printer.
本文介绍了电子打印机用高韧性硬质合金打印针的研制与开发。
The present paper has introduced in detail the pilot production and research and development of cemented carbide printing needle with high ductility used for electronic printer.
本文介绍了电子打印机用高韧性硬质合金打印针的研制与开发。
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