Document Type and Number:
Japanese Patent JPS5353497
Kind Code:
Y2
Application Number:
JP12015073U
Publication Date:
December 21, 1978
Filing Date:
October 16, 1973
Export Citation:
International Classes:
G01L3/16; G01L3/02; G01L25/00; (IPC1-7): G01L25/00; G01L3/02