Document Type and Number:
Japanese Patent JPS5224115
Kind Code:
U
Application Number:
JP10981975U
Publication Date:
February 19, 1977
Filing Date:
August 08, 1975
Export Citation:
International Classes:
B01D53/04; B01D53/32; F01N3/08; (IPC1-7): F01N3/16; B01J1/22
Domestic Patent References:
| JPS474308B1 | ||||
| JPS4717962A |
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