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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS488884
Kind Code:
U
Application Number:
JP4967271U
Publication Date:
January 31, 1973
Filing Date:
June 14, 1971
Export Citation:
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International Classes:
E04B1/684; B63B29/00; (IPC1-7): B63B29/00; E04C2/46