Proposal for New Type of Downhole Percussion Drills for Hard Rock Drilling

Authors=KARASAWA Hirokazu, OHNO Tetsuji, OTA Akinori, KANEKO Tsutomu, KOIZUMI Masahiro, YAMADA Naoto, MIYAMOTO Tetsuomi

Journal/Book_names=Geothermal Resources Council Transactions

volume=26

pages=197-200

Publish_year=2002

Publish_Country=USA

Publisher=Geothermal Resources Council

Language_of_Text=EN

Language_of_Abs=EN

ISSN=1935933

ISBN=0-934412-86-3

ID=200300073