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Hans-Joachim Dreher

GG Gewerkschaft Eisenhutte Westfalia Gmbh: 1 patents #5 of 29Top 20%
📍 Lichtenau, DE: #1 of 4 inventorsTop 25%
Overall (1982): #61,364 of 81,411Top 80%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4324510 Apparatus for supporting a mine roof support assembly Kunibert Becker 1982-04-13