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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63107704
Kind Code:
U
Application Number:
JP20215486U
Publication Date:
July 12, 1988
Filing Date:
December 27, 1986
Export Citation:
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International Classes:
C02F1/28; B01D27/08; (IPC1-7): B01D27/08; C02F1/28