Document Type and Number:
Japanese Patent JPS5344611
Kind Code:
B1
Application Number:
JP10181871A
Publication Date:
November 30, 1978
Filing Date:
December 15, 1971
Export Citation:
International Classes:
F01N3/28; F01N1/02; F01N13/14; (IPC1-7): F01N3/15
Domestic Patent References:
| JP41013522A |
Foreign References:
| US3149925A | 1964-09-22 |