Document Type and Number:
Japanese Patent JPS53132552
Kind Code:
U
Application Number:
JP3833177U
Publication Date:
October 20, 1978
Filing Date:
March 28, 1977
Export Citation:
International Classes:
F01N1/10; F01N3/02; F01N13/00; F01N13/14; F01N99/00; (IPC1-7): F01N7/00; F01N1/10; F01N3/02; F01N7/14