Document Type and Number:
Japanese Patent JPH03119231
Kind Code:
U
Application Number:
JP2947490U
Publication Date:
December 09, 1991
Filing Date:
March 20, 1990
Export Citation:
International Classes:
G06F3/02; G06F3/023; H03M11/14; (IPC1-7): G06F3/023; G06F3/023; G06F3/02; H03M11/14