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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5647677
Kind Code:
U
Application Number:
JP13088779U
Publication Date:
April 27, 1981
Filing Date:
September 20, 1979
Export Citation:
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International Classes:
B63H16/20; A63B35/04; A63B35/10; B63B7/08; (IPC1-7): A63B35/04; B63B7/08; B63C9/16; B63H16/12