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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6228300
Kind Code:
U
Application Number:
JP11688485U
Publication Date:
February 20, 1987
Filing Date:
July 29, 1985
Export Citation:
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International Classes:
G08G1/0968; (IPC1-7): G08G1/12
Domestic Patent References:
JP54018197B
JPS55129391A1980-10-07