Document Type and Number:
Japanese Patent JPS5272798
Kind Code:
U
Application Number:
JP15992575U
Publication Date:
May 31, 1977
Filing Date:
November 26, 1975
Export Citation:
International Classes:
G07F17/12; E05B35/00; E05B37/00; G07F17/10; (IPC1-7): G07F17/10; E05B37/00