Document Type and Number:
Japanese Patent JPH044593
Kind Code:
B2
Application Number:
JP11939582A
Publication Date:
January 28, 1992
Filing Date:
July 09, 1982
Export Citation:
International Classes:
G01C21/00; G01C23/00; G01D7/00; G08C15/06; G09G1/06; G09G3/00; G09G5/00
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