Document Type and Number:
Japanese Patent JPS6448192
Kind Code:
U
Application Number:
JP14297887U
Publication Date:
March 24, 1989
Filing Date:
September 21, 1987
Export Citation:
International Classes:
B01D21/30; C02F1/00; G05D9/00; (IPC1-7): C02F1/00; B01D21/30; G05D9/00
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