Document Type and Number:
Japanese Patent JPS5521058
Kind Code:
Y2
Application Number:
JP5919974U
Publication Date:
May 21, 1980
Filing Date:
May 22, 1974
Export Citation:
International Classes:
G01F23/24; G05D9/00; G05D9/12; (IPC1-7): G01F23/24; G05D9/00