HG

Hans-Joachim Giese

SG Sigri Elektrographit Gmbh: 1 patents #13 of 30Top 45%
Overall (All Time): #4,044,072 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4482314 Method for heating carbon blanks Walter R. Heiker, Wilfried Krohe 1984-11-13