Document Type and Number:
Japanese Patent JPH0159415
Kind Code:
B2
Inventors:
OOFUJI MITSUO
Application Number:
JP143781A
Publication Date:
December 18, 1989
Filing Date:
January 07, 1981
Export Citation:
Assignee:
HITACHI LTD
International Classes:
F02D9/02
Next Patent: JPH0159416