Document Type and Number:
Japanese Patent JPH0411242
Kind Code:
B2
Application Number:
JP10639884A
Publication Date:
February 27, 1992
Filing Date:
May 28, 1984
Export Citation:
International Classes:
C10G21/14; B01D11/02; B01D21/01; B01D21/08; C10G1/04
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