Document Type and Number:
Japanese Patent JPS5512303
Kind Code:
B1
Application Number:
JP2397170A
Publication Date:
April 01, 1980
Filing Date:
March 20, 1970
Export Citation:
International Classes:
B01D11/04; B03C5/00; C10G32/02; C11B13/00; (IPC1-7): B03C5/00; B01D11/04; C11B13/00