Document Type and Number:
Japanese Patent JPS4973070
Kind Code:
U
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Application Number:
JP11599672U
Publication Date:
June 25, 1974
Filing Date:
October 06, 1972
Export Citation:
International Classes:
B01D46/52; B01D46/00; (IPC1-7): B01D46/00
Domestic Patent References:
| JPS4323674Y1 | 1968-10-05 | |||
| JP38014985A |