孔德宏

Shell ring horizontal assembly device

崔军, 周铭, 孔德宏, 2010 .

Portable single-welding-gun welding device for saddle-shaped connecting pipes

陈立新, 周铭, 孔德宏, 2010 .

Double-column portal type welding positioner

孔德宏, 薛瑞雷, 2010 .

Control method and device of wireless numerical control welding workstation

周斌, 周铭, 孔德宏, 2010 .