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GBF area size forecast based centrifugal compressor impeller manufacturing method, involves obtaining allowable GBF area size using test piece impeller material, and manufacturing centrifuge impeller according to allowable GBF area size. 专利
申请日期: 2014-01-01, 公开日期: 2014-12-24
作者:  ZHANG Y SHI B SUN Q DENG Z ZHANG E
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/11
Suspension bracket for ship superstructure lifting, has transverse members i.e. transverse H shape cross section beam, row of lifting holes formed at lower part of vertical plate close to lower panel. 专利
申请日期: 2008-01-01, 公开日期: 2008-07-23
作者:  WANG J ZHOU B LIU Y DENG Y JI Z
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/27


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