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北京硬质合金厂与乌克兰超硬材料研究所于1993年12月2 7日正式签订合资办厂的合同。据称,合资总额为150万美元,主要异型产品,、硬质合金
北京硬质合金厂与乌克兰合资办厂
【摘 要】
：
北京硬质合金厂与乌克兰超硬材料研究所于1993年12月2 7日正式签订合资办厂的合同。据称,合资总额为150万美元,主要异型产品,、硬质合金
【出 处】
：
中国钨业
【发表日期】
：
1994年2期
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