Number | Date | Country | Kind |
---|---|---|---|
96 02766 | Mar 1996 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
4213486 | Samour et al. | Jul 1980 | |
4606953 | Suzuki et al. | Aug 1986 |
Number | Date | Country |
---|---|---|
A-0346101 | Dec 1989 | EPX |
Entry |
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R.G.Galka: "Internal & External Protection of Pipe, Proceedings of the 8th International Conference (Florence, Italy, Oct. 24-26 1989)" 1990, BHRA (Information Services), Bedford UK XP002019024 21876, pp. 179-188. |