Document Type and Number:
Japanese Patent JPH0239388
Kind Code:
B2
Inventors:
YANO AKIO
Application Number:
JP16506081A
Publication Date:
September 05, 1990
Filing Date:
October 16, 1981
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
H01J7/04; B41J2/28