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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6284017
Kind Code:
U
Application Number:
JP17489285U
Publication Date:
May 28, 1987
Filing Date:
November 15, 1985
Export Citation:
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International Classes:
G02B27/02; B63B17/00; B63B39/12; G02B17/00; (IPC1-7): G02B27/02; B63B17/00; B63B39/12; G02B17/00