HK

Heinz M. zu Kocker

BG Bergwerksverband Gmbh: 1 patents #90 of 243Top 40%
Overall (All Time): #4,120,305 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4224136 Process for the solvent extraction of solid carbon-containing materials, principally coal Jurgen Tietze 1980-09-23