Document Type and Number:
Japanese Patent JPS5555131
Kind Code:
Y2
Application Number:
JP444878U
Publication Date:
December 20, 1980
Filing Date:
January 20, 1978
Export Citation:
International Classes:
B01D29/60; B01D25/00; B01D37/04; (IPC1-7): B01D37/04; B01D29/36