Document Type and Number:
Japanese Patent JPH0158735
Kind Code:
B2
Inventors:
CHIBA TOMIO
KUDO HIROYUKI
KUDO HIROYUKI
Application Number:
JP5815682A
Publication Date:
December 13, 1989
Filing Date:
April 09, 1982
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H02H3/40; H03H19/00
Next Patent: JPH0158736