Document Type and Number:
Japanese Patent JPS5491021
Kind Code:
U
Application Number:
JP16620177U
Publication Date:
June 27, 1979
Filing Date:
December 09, 1977
Export Citation:
International Classes:
H04N5/63; H04B1/06; H04B1/16; (IPC1-7): H04N5/44; H04B1/06
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