nkysdb: 共著者関連データベース
KOIZUMI Masahiro 様の 共著関連データベース
+(A list of literatures under single or joint authorship with "KOIZUMI Masahiro")
共著回数と共著者名 (a list of the joint author(s))
2: KARASAWA Hirokazu, KOIZUMI Masahiro, OHNO Tetsuji
1: KANEKO Tsutomu, MIYAMOTO Tetsuomi, ONISHI Kyosuke, OTA Akinori, YAMADA Naoto, YOKOTA Toshiyuki
発行年とタイトル (Title and year of the issue(s))
2002: Proposal for New Type of Downhole Percussion Drills for Hard Rock Drilling
2004: Development of a bottom hole percussion drill as an effective SWD energy source