Title:
【考案の名称】面発光板材を使用した製図版
Document Type and Number:
Japanese Patent JP3006269
Kind Code:
U
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Inventors:
Katsutoshi Shimagaki
Application Number:
JP349594U
Publication Date:
January 24, 1995
Filing Date:
February 28, 1994
Export Citation:
Assignee:
Katsutoshi Shimagaki
International Classes:
(IPC1-7): B43L5/00