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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5571314
Kind Code:
U
Application Number:
JP15465778U
Publication Date:
May 16, 1980
Filing Date:
November 10, 1978
Export Citation:
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International Classes:
G02B5/08; G02B17/00; G02B17/06; G02B27/02; (IPC1-7): G02B27/02; G02B5/08; G02B17/06