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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS54131541
Kind Code:
U
Application Number:
JP2793878U
Publication Date:
September 12, 1979
Filing Date:
March 03, 1978
Export Citation:
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International Classes:
C02F1/66; B63B29/16; B63J4/00; (IPC1-7): C02C5/02; B63B29/16; C02B1/30