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5972285 | Knott | Oct 1999 | A |
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1 164 103 | Nov 1960 | DE |
195 01 508 | Apr 1996 | DE |
D 197 44 300 | Apr 1998 | DE |
198 32 794 | Oct 1999 | DE |
892934 | Apr 1962 | GB |
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WO 9221457 | Dec 1992 | WO |
Entry |
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Usla et al, Ti-6A1-4V Hollow Sphere Foams, School of Materials Science and Engineering, 1997, pp. 289-300. |
Guiping et al, “An Approach to the Factors Influencing the Preparation of Foam Metal by Infiltration Method”; Feb. 1997, pp. 1-4. |
Dr.-Ing. W. Thiele, “Füllstoffhaltiger Aluminiumschwamm-ein kompressibler Guβwerkstoff zur Absorption von Stoβenergie”, METALL, 28, Jahrgang, Jan. 1974, Heft 1; pp. 39-42. |