Inventor

SCHIEFER ERICH J

AT2 patents

Patents

2 patents

US4953390ASep 4, 1990

Method and a device for measuring the air/fuel ratio of an internal combustion engine

AVL VERBRENNUNGSKRAFT MESSTECH55 citations94

US4771176ASep 13, 1988

Method for quantitative analysis of hydrocarbon

AVL VERBRENNUNGSKRAFT MESSTECH62 citations94