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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5440633
Kind Code:
Y2
Application Number:
JP4209275U
Publication Date:
November 29, 1979
Filing Date:
March 31, 1975
Export Citation:
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International Classes:
B63B35/00; B63B11/02; B63B19/00; (IPC1-7): B63B35/02; B63B19/00