Title:
【考案の名称】黒板用直定木
Document Type and Number:
Japanese Patent JPS5886394
Kind Code:
U
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Inventors:
Jun Ikeda
Application Number:
JP18156681U
Publication Date:
June 11, 1983
Filing Date:
December 04, 1981
Export Citation:
International Classes:
B43L7/00; (IPC1-7): B43L7/00