Document Type and Number:
Japanese Patent JPS5549884
Kind Code:
B2
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Application Number:
JP11588677A
Publication Date:
December 15, 1980
Filing Date:
September 26, 1977
Export Citation:
International Classes:
B01D61/08; B01D61/10; B01D61/18; B01D61/20; B01D63/06; B01D65/06