Document Type and Number:
Japanese Patent JPS4933566
Kind Code:
Y1
Application Number:
JP13933170U
Publication Date:
September 10, 1974
Filing Date:
December 30, 1970
Export Citation:
International Classes:
G09D3/10; G09F7/18; G09F19/00; (IPC1-7): G09D3/10; G09F7/18