Document Type and Number:
Japanese Patent JPS57148241
Kind Code:
U
Application Number:
JP3387881U
Publication Date:
September 17, 1982
Filing Date:
March 11, 1981
Export Citation:
International Classes:
G06F12/06; G06F13/00; G11C7/00; (IPC1-7): G06F13/00; G11C7/00