Document Type and Number:
Japanese Patent JPS5030468
Kind Code:
B1
Application Number:
JP12443970A
Publication Date:
October 01, 1975
Filing Date:
December 28, 1970
Export Citation:
International Classes:
G01C11/00; G02B27/00; G02B27/22; (IPC1-7): G02B27/22; G01C11/00; G02B27/00