Document Type and Number:
Japanese Patent JPS4988122
Kind Code:
U
Application Number:
JP13350372U
Publication Date:
July 31, 1974
Filing Date:
November 20, 1972
Export Citation:
International Classes:
F16L27/00; F01N3/10; F01N3/18; F01N13/08; F01N13/10; F16L27/12; (IPC1-7): F01N7/10