Permeability Characteristics and Applications of Plastic Injection Molding Fabricated by Metal Laser Sintering Combined with High Speed Milling. - Michio Kojima; Hiroyuki Narahara; Yoshiyuki Nakao; Hirofumi Fukumaru; Hiroshi Koresawa; Hiroshi Suzuki; Satoshi Abe (Int. J. Autom. Technol., 2008)