Number | Date | Country | Kind |
---|---|---|---|
3546099[U] | Dec 1985 | DEX | |
8604031 | Feb 1986 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3104482 | Jepson | Sep 1963 | |
3393086 | Keating | Jul 1968 | |
3412492 | McCormick | Nov 1968 | |
3781522 | Borom | Dec 1973 | |
3781523 | Borom | Dec 1973 | |
3816704 | Borom | Jun 1974 | |
4196340 | Evans | Apr 1980 | |
4206340 | Osrow | Jun 1980 | |
4409354 | Namba et al. | Oct 1983 | |
4443574 | Coq et al. | Apr 1984 | |
4588021 | Bergeron | May 1986 | |
4665637 | Kramer | May 1987 | |
4687707 | Matsuo et al. | Aug 1987 | |
4702933 | Kramer | Oct 1987 | |
4800661 | Yamamoto et al. | Jan 1989 |
Number | Date | Country |
---|---|---|
949727 | Nov 1966 | DEX |
2151858 | May 1972 | DEX |
1952846 | May 1976 | DEX |
0150799 | Aug 1985 | JPX |
956740 | Apr 1964 | GBX |
Entry |
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Determination of Surface Roughness Values, DIN 4768, Deutsches Institut fur Normung, 8/1974, Berlin. |