南昌硬质合金厂开发成功无磁硬质合金模具

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为开拓市场,完成用户对无磁硬质合金模具的需求,南昌硬质合金厂部于1992年五月份下达了无磁硬质合金模具研制开发项目的临时攻关任务,并相应成立了技术攻关小组,经三个多月的艰苦奋战和批量生产验证,无磁硬质合金的各项性能达到了预期的质量标准,已生产近500公斤产品,全部精
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