Title:
【考案の名称】算盤
Document Type and Number:
Japanese Patent JPS5824833
Kind Code:
U
Inventors:
Kazuo Nishikawa
Application Number:
JP11590381U
Publication Date:
February 17, 1983
Filing Date:
August 03, 1981
Export Citation:
International Classes:
G06C1/00; (IPC1-7): G06C1/00
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