白亜書房

year of pub­li­ca­ti­onISBNauthor(s)title
978-4-89172-106-0Machinery, Kikan, welding <1998 version> (mine safety technical personnel national examination Braindumps) (1998) ISBN: 4891721065 [Japanese Import]
1998978-4-89172-107-7通商産業省環境立地局保安法規・電気 (鉱山保安技術職員国家試験問題集)