世界资料网论坛

标题: DIN 1693_Rev 1973 [打印本页]

作者: nable123    时间: 2020-11-7 22:05:27     标题: DIN 1693_Rev 1973

Cast Iron with Nodular Graphite Unalloyed and Low Alloy Grade
非合金与低合金级别的球墨铸铁

作者: admin    时间: 2020-11-16 08:43:44

谢谢您的分享,金币已奖励!




欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) Powered by Discuz! X2.5