No Edition Remarks. 47 pages. Blue paperback report. Full title: BIOS Final Report No 781 Items Nos 22 and 31. Some German Synthetic - Resin. Moulding Plants and Processes . Text is typed not printed. Pages are mildly tanned throughout. Text is clear. Binding remains firm. Expected library inserts, stamps and inscriptions. Covers have mild edge-wear with curling to corners. Visible tanning to spine and edges with scuffing to spine ends.