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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5212280
Kind Code:
U
Application Number:
JP9759675U
Publication Date:
January 28, 1977
Filing Date:
July 14, 1975
Export Citation:
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International Classes:
D03D15/00; D03D17/00; D03D25/00; G02B27/00; (IPC1-7): D03D25/00; D03D17/00; G02B27/00