Document Type and Number:
Japanese Patent JPS509676
Kind Code:
Y2
Application Number:
JP7585171U
Publication Date:
March 25, 1975
Filing Date:
August 25, 1971
Export Citation:
International Classes:
C10G32/00; B01D17/00; B01D17/06; B03C1/00; B03C1/02; (IPC1-7): B01D17/00; C02B18/00
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