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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63199678
Kind Code:
U
Application Number:
JP9104887U
Publication Date:
December 22, 1988
Filing Date:
June 13, 1987
Export Citation:
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International Classes:
G02B6/00; A47G27/02; F21V8/00; (IPC1-7): A47G27/02; F21V8/00; G02B6/00
Domestic Patent References:
JP58074473B