Document Type and Number:
Japanese Patent JPS5311499
Kind Code:
U
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Application Number:
JP9280176U
Publication Date:
January 31, 1978
Filing Date:
July 14, 1976
Export Citation:
International Classes:
G21F9/34; G21C5/00; G21F9/20; (IPC1-7): G21F9/34; G21F9/20