Document Type and Number:
Japanese Patent JPS6222580
Kind Code:
U
More Like This:
Application Number:
JP11322885U
Publication Date:
February 10, 1987
Filing Date:
July 24, 1985
Export Citation:
International Classes:
G04B27/02; G04B3/04; (IPC1-7): G04B27/02; G04B3/04
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