Document Type and Number:
Japanese Patent JPS5643472
Kind Code:
U
Application Number:
JP12675579U
Publication Date:
April 20, 1981
Filing Date:
September 12, 1979
Export Citation:
International Classes:
F02B49/00; F02M31/06; F02M31/12; F02M31/18; F02N19/06; (IPC1-7): F02N17/08; F02B49/00; F02M31/06; F02M31/12; F02M31/18