Document Type and Number:
Japanese Patent JPH02131558
Kind Code:
U
Application Number:
JP3890589U
Publication Date:
November 01, 1990
Filing Date:
March 31, 1989
Export Citation:
International Classes:
B24B31/02; B01F29/60; C25D17/26; (IPC1-7): C25D17/26; B01F9/02; B24B31/02
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