Document Type and Number:
Japanese Patent JPS49128245
Kind Code:
U
Application Number:
JP2642073U
Publication Date:
November 02, 1974
Filing Date:
March 02, 1973
Export Citation:
International Classes:
G03B27/26; G03B21/16; G03B27/54; G03G15/00; G03G21/00; (IPC1-7): G03B27/26; G03B21/16; G03B27/54; G03G15/00; G03G21/00
Domestic Patent References:
| JP38022339A |