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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS5057086
Kind Code:
Application Number:
Publication Date:
May 19, 1975
Filing Date:
September 21, 1973
Export Citation:
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International Classes:
B01D53/56; B01D53/34; B01D53/77; (IPC1-7): B01D53/16; B01D53/34

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