Document Type and Number:
Japanese Patent JPH0120018
Kind Code:
B2
Inventors:
EZAKI SHIGEO
YOKOTA MINORU
SAWADA KAZUO
MASUYAMA KENJI
YOKOTA MINORU
SAWADA KAZUO
MASUYAMA KENJI
Application Number:
JP23562883A
Publication Date:
April 13, 1989
Filing Date:
December 13, 1983
Export Citation:
Assignee:
SUMITOMO DENKI KOGYO KK
HIMEJIMA DOSEN KK
HIMEJIMA DOSEN KK
International Classes:
C22C9/00; B23H7/08; C22C9/04; C22F1/08
Next Patent: JPH0120019