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Inventor
PFAFF OLIVER
DE
2 patents
Patents
2 patents
US5943858A
Aug 31, 1999
Premixing chamber for an exhaust gas purification system
SIEMENS AG
77 citations
94
US6199101B1
Mar 6, 2001
Process for access control to computer-controlled programs usable by several user units at the same time
SIEMENS AG
57 citations
90