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Inventor
KEIPER WINFRIED
DE
2 patents
Patents
2 patents
US4958515A
Sep 25, 1990
Spark plug with a measurement device
BOSCH GMBH ROBERT
6 citations
58
US8028583B2
Oct 4, 2011
Method and device for identifying squeaking noises
BOSCH GMBH ROBERT
1 citations
42