Number | Date | Country | Kind |
---|---|---|---|
1036089 | Aug 1986 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
21303 | Bogert | Jan 1892 | |
D274257 | Jenkins et al. | Jun 1984 | |
4140489 | Lee | Feb 1979 | |
4264204 | McCormick | Apr 1981 | |
4652126 | Mahooti | Mar 1987 |
Entry |
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American Scientific Products, 1981-82, p. 298, "Coupling C4677-20". |