FB

Friedhelm Bergmann

EG Ec Erdolchemie Gmbh: 1 patents #20 of 64Top 35%
Overall (All Time): #3,987,078 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4712434 Device for emission-free sampling of volatile liquids Jens Herwig, Hagen Norenberg, Manfred Stiller, Horst Schlemmermeyer, Wilfried Schmidt +2 more 1987-12-15