Document Type and Number:
Japanese Patent JPS62183553
Kind Code:
U
Application Number:
JP6924986U
Publication Date:
November 21, 1987
Filing Date:
May 08, 1986
Export Citation:
International Classes:
B02C17/20; B01F9/00; B01F11/00; (IPC1-7): B02C17/20; B01F9/00; B01F11/00