Document Type and Number:
Japanese Patent JPH057562
Kind Code:
B2
Inventors:
ISHIZUKA KATSUAKI
TANAKA YASUO
TANAKA YASUO
Application Number:
JP3064786A
Publication Date:
January 29, 1993
Filing Date:
February 17, 1986
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
F04B49/00; F15B9/09