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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6242721
Kind Code:
Y2
Application Number:
JP63082U
Publication Date:
November 02, 1987
Filing Date:
January 06, 1982
Export Citation:
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International Classes:
D21F5/10; B01D1/00; B01D1/22; B01D1/24; D21F1/00; (IPC1-7): B01D1/00; B01D1/22



 
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