Document Type and Number:
Japanese Patent JPH0247637
Kind Code:
B2
Inventors:
KUSUMI HIROSHI
Application Number:
JP21895584A
Publication Date:
October 22, 1990
Filing Date:
October 18, 1984
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
F16L29/00
Next Patent: JPH0247638