SD

Siegfried Dreyer

VL Veb Chemieanlagenbaukombinat Leipzig/Grimma: 1 patents #1 of 30Top 4%
📍 Magdeburg, DE: #109 of 284 inventorsTop 40%
Overall (All Time): #3,999,081 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4601824 Flat-membrane separating arrangement — 1986-07-22