Document Type and Number:
Japanese Patent JPS6221047
Kind Code:
Y2
Application Number:
JP2901785U
Publication Date:
May 28, 1987
Filing Date:
February 28, 1985
Export Citation:
International Classes:
H03B5/04; G04F5/04; G04F5/06; H03B5/32; H03L1/02; (IPC1-7): H03B5/04; H03B5/32; H03L1/02