Document Type and Number:
Japanese Patent JPH0334243
Kind Code:
Y2
Application Number:
JP501886U
Publication Date:
July 19, 1991
Filing Date:
January 20, 1986
Export Citation:
International Classes:
C13B25/00; B01B1/00; B01D9/02; (IPC1-7): B01D9/02
Next Patent: JPH0334244