高素英

Multifunctional hanging plate applicable for vertical well heading machine

刘杰, 孙建荣, 刘志强, 2013 .

A welding workpiece positioning adjustment means

高春洋, 高素英, 2013 .

One kind of shaft boring machine multifunction hanging plate applicable

刘杰, 刘志强, 孙建荣, 2013 .

Positioning adjusting device used for workpiece to be welded

高春洋, 高素英, 2013 .