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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6427789
Kind Code:
U
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Application Number:
JP12369587U
Publication Date:
February 17, 1989
Filing Date:
August 11, 1987
Export Citation:
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International Classes:
G08B19/00; G08B21/00; (IPC1-7): G08B19/00; G08B21/00