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A Study of Transparent Plastics for use on Aircraft, Special Report (1937)
NASA Technical Reports Server (NTRS) · leaf 53
rigs. 17.18.31 H.A.O.A. … Figure 17. ^ppai-atuB for determining Charpy impact strength. Figure 31. Appuataa for determining rate of hximing.NASA Technical Reports Server (NTRS)
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