Number | Date | Country | Kind |
---|---|---|---|
11-045169 | Feb 1999 | JP |
Number | Name | Date | Kind |
---|---|---|---|
1665280 | Rzeppa | Apr 1928 | |
4437331 | Dore | Mar 1984 |
Number | Date | Country |
---|---|---|
0802341A1 | Oct 1997 | EP |
Entry |
---|
Machinery's Handbook, 25th ed. New York International Press, 1996. p. 2056. TJ151.M3 1996. |