Document Type and Number:
Japanese Patent JPS5547075
Kind Code:
B2
Application Number:
JP10676272A
Publication Date:
November 27, 1980
Filing Date:
October 26, 1972
Export Citation:
International Classes:
B01D35/06; B01D17/06; B03C5/00; C10G32/02; (IPC1-7): C10G32/02