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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0254780
Kind Code:
B2
Inventors:
KANEMATSU TETSUO
Application Number:
JP24577683A
Publication Date:
November 22, 1990
Filing Date:
December 29, 1983
Export Citation:
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Assignee:
DAICEL CHEM
International Classes:
A61F13/472; A61F13/00; A61F13/15; A61F13/53; B01D17/022; B32B7/02; B32B19/02; B32B23/04; B32B23/08