HS

Hans Spakowski

BG Bfg Glassgroup: 1 patents #19 of 47Top 45%
📍 Gelsenkirchen, DE: #95 of 201 inventorsTop 50%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4282856 Solar-energy collector Otto Stehl 1981-08-11