Title:
SIGN
Document Type and Number:
Japanese Patent JPS57191682
Kind Code:
A
Inventors:
NISHI KENICHI
Application Number:
JP7772581A
Publication Date:
November 25, 1982
Filing Date:
May 22, 1981
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
G09F13/00; E01F9/00; E01F9/20; E01F9/40; E01F9/604; (IPC1-7): E01F9/01; G09F13/00