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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5425837
Kind Code:
Y2
Application Number:
JP17222275U
Publication Date:
August 28, 1979
Filing Date:
December 20, 1975
Export Citation:
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International Classes:
E02B15/00; B63B35/32; C02F1/40; (IPC1-7): B63B35/32