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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6217918
Kind Code:
Y2
Application Number:
JP16605679U
Publication Date:
May 08, 1987
Filing Date:
November 30, 1979
Export Citation:
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International Classes:
G08B19/00; G08B21/00; G08B21/10; G08B23/00; G08B25/00; (IPC1-7): G08B25/00