Title:
【考案の名称】油圧式ブレ-カ
Document Type and Number:
Japanese Patent JPS5823588
Kind Code:
Y2
Inventors:
Toshio Susaki
Application Number:
JP579677U
Publication Date:
May 20, 1983
Filing Date:
January 20, 1977
Export Citation:
Assignee:
Furukawa Mining Co., Ltd.
International Classes:
B25D17/00; B25D17/10; E21B1/00; E21B44/00; (IPC1-7): B25D17/10; E21C3/32
Attorney, Agent or Firm:
Tetsuya Mori