Document Type and Number:
Japanese Patent JPH0347989
Kind Code:
B2
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Inventors:
IKEGAMI SHUICHI
Application Number:
JP5845184A
Publication Date:
July 23, 1991
Filing Date:
March 28, 1984
Export Citation:
Assignee:
NIPPON KOSAN KK
International Classes:
B01J2/30; B24B29/00; B24B31/02
Next Patent: JPH0347990