-
-
-
Oxygen sensor elements
-
Patent number 4,940,528
-
Issue date Jul 10, 1990
-
NGK Insulators, Ltd.
-
Shuichiro Oki
-
G01 - MEASURING TESTING
-
Oxygen sensor
-
Patent number 4,717,464
-
Issue date Jan 5, 1988
-
NGK Insulators, Ltd.
-
Norio Oshima
-
G01 - MEASURING TESTING
-
-
Oxygen sensor
-
Patent number 4,370,213
-
Issue date Jan 25, 1983
-
NGK Insulators, Ltd.
-
Shuichiro Oki
-
G01 - MEASURING TESTING
-
Oxygen sensing device
-
Patent number 4,357,223
-
Issue date Nov 2, 1982
-
NGK Insulators Ltd.
-
Shuichiro Oki
-
G01 - MEASURING TESTING