@base . a , ; "Kenkyū nenpō - Hokkaido Denryoku Kabushiki Gaisha. Sōgō Kenkyūjo" . a ; "0915-2938" ; . a . "Japan" . a ; . a , , ; , , ; "Kenkyū nenpō - Hokkaido Denryoku Kabushiki Gaisha. Sōgō Kenkyūjo." ; ; ; "0915-2938" ; ; "0915-2938" ; ; "0915-2938" ; "Kenkyū nenpō - Hokkaido Denryoku Kabushiki Gaisha. Sōgō Kenkyūjo" , "Kenkyū nenpō - Hokkaido Denryoku Kabushiki Gaisha. Sōgō Kenkyūjo." ; . . a ; "0915-2938" ; . a ; ; "20090706130900.0"^^ ; ; .