我公司主要做UM的储气罐,AIA派来指导的那人说我们的产品要申请U及UM钢印,但目前我们的试制罐三个都是属于UM钢印的,这样U钢印能申请到吗?那人还没过来,在这里先请专家指示下。... 继续阅读>
哪位大侠有ASME压力容器的焊接节点图, 能否分享一下, 谢谢.... 继续阅读>
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石油化工设备设计选用手册 换热器.pdf(9.37MB)... 继续阅读>
http://dl.dbank.com/c0oljulbxi... 继续阅读>
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