Document Type and Number:
Japanese Patent JPS52155576
Kind Code:
U
Application Number:
JP6444676U
Publication Date:
November 25, 1977
Filing Date:
May 20, 1976
Export Citation:
International Classes:
H01H43/28; F15B5/00; G04F3/00; G04F3/02; G06D1/00; G06D3/00; (IPC1-7): G04F3/00; F15B5/00; G06D3/00