際際滷shows by User: hiroakiogata / http://www.slideshare.net/images/logo.gif 際際滷shows by User: hiroakiogata / 際際滷Share feed for 際際滷shows by User: hiroakiogata https://cdn.slidesharecdn.com/profile-photo-hiroakiogata-48x48.jpg?cb=1670028154 sites.google.com/site/hiroakiogata/home