Document Type and Number:
Japanese Patent JPS4428747
Kind Code:
Y1
Application Number:
JP1778565U
Publication Date:
November 28, 1969
Filing Date:
March 08, 1965
Export Citation:
International Classes:
G01B5/00; E01B35/00; G01B5/20; G01B5/28; G01B21/00; G01B21/20; (IPC1-7): G01B5/20; E01B35/00; G01B5/28