Document Type and Number:
Japanese Patent JPS53115464
Kind Code:
U
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Application Number:
JP2050377U
Publication Date:
September 13, 1978
Filing Date:
February 22, 1977
Export Citation:
International Classes:
C02F1/40; B01D17/00; (IPC1-7): B01D17/00
Domestic Patent References:
JPS51123281U | 1976-10-06 |