Document Type and Number:
Japanese Patent JPH0497861
Kind Code:
U
Application Number:
JP572991U
Publication Date:
August 25, 1992
Filing Date:
January 22, 1991
Export Citation:
International Classes:
B01J6/00; C30B13/24; (IPC1-7): C30B13/24; B01J6/00
Next Patent: JPH0497862