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标题: ASHRAE Standard 34-2007《Designation and Safety Classification of Refrigerants [打印本页]

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作者: cumtedu    时间: 2014-9-6 09:48:50     标题: ASHRAE Standard 34-2007《Designation and Safety Classification of Refrigerants

ASHRAE Standard 34-2007《Designation and Safety Classification of Refrigerants》


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作者: admin    时间: 2014-9-7 20:05:20

谢谢您的分享，金币已奖励。

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