Document Type and Number:
Japanese Patent JPS50137797
Kind Code:
A
Application Number:
JP4486674A
Publication Date:
November 01, 1975
Filing Date:
April 19, 1974
Export Citation:
International Classes:
G07F11/70; G07F9/00; G07F13/06; (IPC1-7): G07F9/00; G07F13/06