Title:
HIGH-PRESSURE WATER PIPING FOR DRILLING DEVICE
Document Type and Number:
Japanese Patent JPS5952087
Kind Code:
A
Inventors:
ITOU MASAYOSHI
Application Number:
JP16144482A
Publication Date:
March 26, 1984
Filing Date:
September 16, 1982
Export Citation:
Assignee:
FURUKAWA KOGYO KK
International Classes:
F16L27/08; E21B7/18; (IPC1-7): E21B7/18; F16L27/08
Attorney, Agent or Firm:
Tetsuya Mori