Document Type and Number:
Japanese Patent JPH0137695
Kind Code:
Y2
Application Number:
JP20462885U
Publication Date:
November 14, 1989
Filing Date:
December 27, 1985
Export Citation:
International Classes:
B01D41/00; B01D41/04; F02M35/08; (IPC1-7): B01D41/04; F02M35/08
Next Patent: JPH0137696