Document Type and Number:
Japanese Patent JPS57148413
Kind Code:
U
Application Number:
JP3481581U
Publication Date:
September 17, 1982
Filing Date:
March 14, 1981
Export Citation:
International Classes:
B01D29/01; B01D35/02; B01D35/16; (IPC1-7): B01D35/16; B01D35/02