Document Type and Number:
Japanese Patent JPH0452898
Kind Code:
U
Application Number:
JP9446790U
Publication Date:
May 06, 1992
Filing Date:
September 08, 1990
Export Citation:
International Classes:
D06F71/20; D06F71/28; D06F73/00; (IPC1-7): D06F71/28; D06F71/20; D06F73/00
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