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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4869050
Kind Code:
U
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Application Number:
JP11387171U
Publication Date:
September 01, 1973
Filing Date:
December 02, 1971
Export Citation:
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International Classes:
G21F7/02; G02B27/00; (IPC1-7): G02B27/00; G21F7/02