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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57156119
Kind Code:
U
Application Number:
JP4161581U
Publication Date:
October 01, 1982
Filing Date:
March 26, 1981
Export Citation:
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International Classes:
B01D53/08; B01D53/34; B01D53/50; B01D53/81; B01J20/34; (IPC1-7): B01D53/34; B01D53/08; B01J20/34