Document Type and Number:
Japanese Patent JPS4979872
Kind Code:
U
Application Number:
JP12407872U
Publication Date:
July 10, 1974
Filing Date:
October 25, 1972
Export Citation:
International Classes:
B01D21/02; B01D21/00; B01D21/01; B01D24/02; B01D36/04; (IPC1-7): B01D23/16; B01D21/01