Title:
AUTOMATIC DRAWING INSTRUMENT
Document Type and Number:
Japanese Patent JPS5456531
Kind Code:
A
Inventors:
KANETANI YASUHIKO
TSUCHIYA AKIRA
YAMAKI KIYOSHI
TSUCHIYA AKIRA
YAMAKI KIYOSHI
Application Number:
JP4358477A
Publication Date:
May 07, 1979
Filing Date:
April 18, 1977
Export Citation:
Assignee:
HITACHI SEIKO KK
International Classes:
B43L13/00; (IPC1-7): B43L13/00
Previous Patent: JPS5456530
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