Document Type and Number:
Japanese Patent JPH0451766
Kind Code:
B2
Inventors:
NARUTAKI YOSHIISA
Application Number:
JP14642187A
Publication Date:
August 20, 1992
Filing Date:
June 12, 1987
Export Citation:
Assignee:
OPUTETSUKU KK
International Classes:
G01C1/00; G01C15/00; G01S17/66; G02B7/00
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