Document Type and Number:
Japanese Patent JPH0123896
Kind Code:
B2
Inventors:
MYASHITA MASAHIKO
AOYAMA SHOZO
KOBAYASHI SHIGERU
AOYAMA SHOZO
KOBAYASHI SHIGERU
Application Number:
JP313981A
Publication Date:
May 09, 1989
Filing Date:
January 14, 1981
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H01J7/18; H01J9/39
Next Patent: JPH0123897