Title:
REACTION COMPENSATION MECHANISM OF ROCK DRILLING MACHINE
Document Type and Number:
Japanese Patent JPS60133192
Kind Code:
A
Inventors:
MIKAMI YOSHIICHI
OOTA AKINORI
OOTA AKINORI
Application Number:
JP24150583A
Publication Date:
July 16, 1985
Filing Date:
December 21, 1983
Export Citation:
Assignee:
FURUKAWA KOGYO KK
International Classes:
E21B19/08; E21B19/086; (IPC1-7): E21C5/00
Attorney, Agent or Firm:
Tetsuya Mori