Document Type and Number:
Japanese Patent JPS5147241
Kind Code:
Y2
Application Number:
JP6330671U
Publication Date:
November 15, 1976
Filing Date:
July 16, 1971
Export Citation:
International Classes:
C02F1/40; B01D15/00; B01D17/02; E02B15/04; (IPC1-7): E02B15/04; B01D15/00