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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS61135531
Kind Code:
U
Application Number:
JP1813785U
Publication Date:
August 23, 1986
Filing Date:
February 12, 1985
Export Citation:
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International Classes:
B01D53/94; B01D53/34; B01D53/60; B01D53/74; (IPC1-7): B01D53/34; B01D53/36