Document Type and Number:
Japanese Patent JPS4974408
Kind Code:
U
Application Number:
JP11895272U
Publication Date:
June 27, 1974
Filing Date:
October 14, 1972
Export Citation:
International Classes:
F02N15/02; F02N11/00; H02K7/10; (IPC1-7): F02N11/00; H02K7/10