Title:
【考案の名称】掘削用バケツト
Document Type and Number:
Japanese Patent JPS6033181
Kind Code:
Y2
Inventors:
Ayumu Tanaka
Tadashi Okutani
Tadashi Okutani
Application Number:
JP12157882U
Publication Date:
October 03, 1985
Filing Date:
August 12, 1982
Export Citation:
Assignee:
Goyo Construction Co., Ltd.
International Classes:
E21B1/04; E21B1/00; E21B11/00; E21B11/04; (IPC1-7): E21B1/00; E21B11/04
Attorney, Agent or Firm:
Seiichi Sawaki