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may 5, 2009 - 2009年5月5日上海重型机器厂有限公司自行设计、自行制造的世界上最大的 450 吨电渣重熔炉进行首次热调试并冶炼，获得成功。
Description:
2009年5月5日上海重型机器厂有限公司自行设计、自行制造的世界上最大的 450 吨电渣重熔炉进行首次热调试并冶炼，获得成功。
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工业大事年表
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Loo Qoo
2 Sep 2023
1
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688
Date:
may 5, 2009
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~ 16 years ago
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