Document Type and Number:
Japanese Patent JPS55178734
Kind Code:
U
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Application Number:
JP7800779U
Publication Date:
December 22, 1980
Filing Date:
June 08, 1979
Export Citation:
International Classes:
G06C3/00; G06G1/06; G06G1/10; G09D3/04; G09D3/10; (IPC1-7): G06C3/00; G06G1/06; G09D3/10