/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: masaetsumura https://cdn.slidesharecdn.com/profile-photo-masaetsumura-48x48.jpg?cb=1523459334 ¤ï¤«¤ä¤Þ¥¤¥¤¥Í£¡¥×¥í¥¸¥§¥¯¥ÈÊÂÎñ¾Ö