Experimental Research of the Usability on Double Acting Intensifiers in HydroformingAhmet Can Günaydın, Mehmet Halkacı, Fatih Ateş and Hüseyin Selçuk HalkacıMATEC Web Conf., 220 (2018) 04006DOI: https://doi.org/10.1051/matecconf/201822004006