Document Type and Number:
Japanese Patent JPS5256628
Kind Code:
Y2
Application Number:
JP10224873U
Publication Date:
December 21, 1977
Filing Date:
August 31, 1973
Export Citation:
International Classes:
C02F3/00; B02C18/00; B02C19/06; B63B29/16; B63J4/00; (IPC1-7): B63B29/16; B02C18/40; B02C19/06; C02C1/00
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