Document Type and Number:
Japanese Patent JPS47171
Kind Code:
U
Application Number:
JP7809871U
Publication Date:
April 20, 1972
Filing Date:
August 31, 1971
Export Citation:
International Classes:
B01D17/04; C10G31/09; C10G33/06; C10M175/00; C10N40/25; (IPC1-7): B01D17/08; C10M3/00
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