Document Type and Number:
Japanese Patent JPH03121452
Kind Code:
U
Application Number:
JP3121490U
Publication Date:
December 12, 1991
Filing Date:
March 27, 1990
Export Citation:
International Classes:
G06F12/00; G06F13/16; G06F13/42; G06F15/78; (IPC1-7): G06F13/42; G06F12/00; G06F15/78