Document Type and Number:
Japanese Patent JPS63153461
Kind Code:
U
Application Number:
JP4560987U
Publication Date:
October 07, 1988
Filing Date:
March 30, 1987
Export Citation:
International Classes:
G02B7/02; G02B27/18; H01J7/24; H01J31/10; H04N5/74; (IPC1-7): H01J7/24; G02B7/02; G02B27/18; H01J31/10; H04N5/74