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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63199265
Kind Code:
U
Application Number:
JP8748887U
Publication Date:
December 22, 1988
Filing Date:
June 08, 1987
Export Citation:
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International Classes:
G03G15/20; F21V17/06; (IPC1-7): G03G15/20; F21V17/06