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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6231920
Kind Code:
Y2
Application Number:
JP2245480U
Publication Date:
August 15, 1987
Filing Date:
February 25, 1980
Export Citation:
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International Classes:
G21C15/02; G21C3/00; G21C3/30; G21C5/00; G21C5/06; G21C5/10; (IPC1-7): G21C5/06; G21C3/30; G21C15/02