Title:
【発明の名称】地盤加工装置
Document Type and Number:
Japanese Patent JP2784807
Kind Code:
B2
Inventors:
OOHORI MASATO
Application Number:
JP19743589A
Publication Date:
August 06, 1998
Filing Date:
July 29, 1989
Export Citation:
Assignee:
OOHORI MASATO
International Classes:
E21B7/00; E02D7/16; E21B7/02; E21B15/00; (IPC1-7): E21B15/00