ES

Ewald Antonovich Schumacher

Overall (2005): #204,288 of 245,428Top 85%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6873641 Method for periodically elongating an electrode for an electric arc furnace Viktor Nikolaevich Khloponin 2005-03-29