Document Type and Number:
Japanese Patent JPS5111511
Kind Code:
B1
Application Number:
JP2457769A
Publication Date:
April 12, 1976
Filing Date:
March 31, 1969
Export Citation:
International Classes:
G01N21/65; G01J3/44; G01N21/00; (IPC1-7): G01N21/00; G01J3/44