Document Type and Number:
Japanese Patent JPS4837498
Kind Code:
Y1
Application Number:
JP6755069U
Publication Date:
November 07, 1973
Filing Date:
July 17, 1969
Export Citation:
International Classes:
C02F3/00; B01D21/00; C02F3/20; G05D7/00; (IPC1-7): C02C1/00; B01D21/00; C02B3/00; C02C1/02; C02C1/14; G05D7/00