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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5391565
Kind Code:
U
Application Number:
JP17320676U
Publication Date:
July 26, 1978
Filing Date:
December 24, 1976
Export Citation:
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International Classes:
G04B47/00; G04C3/00; G04G99/00; G06F3/02; G06F15/02; (IPC1-7): G04C3/00; G04B47/00; G06F15/02
Domestic Patent References:
JPS5181156A1976-07-15
JPS51110371A1976-09-29
JPS51134662A1976-11-22