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标题: ASTM A249/A249M-16a [打印本页]

作者: myshy1225    时间: 2016-9-19 11:38:25     标题: ASTM A249/A249M-16a

ASTM A249/A249M-16a Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger,and Cindenser Tubes[attach]110313[/attach]

作者: WYG123    时间: 2016-9-19 12:07:36

感谢楼主分享!!!!!!!!
作者: admin    时间: 2016-9-20 10:54:25

谢谢您的分享,金币已奖励!




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