Number | Date | Country | Kind |
---|---|---|---|
59-159087 | Jul 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2317242 | Allen | Apr 1943 | |
2535966 | Teplitz | Dec 1950 | |
2554943 | Farmer | May 1951 | |
4118302 | Gobert | Oct 1978 | |
4132609 | Bush | Jan 1979 | |
4434040 | Brendlinger | Feb 1984 | |
4526668 | Podrini | Jul 1985 |
Entry |
---|
Iron and Steel Handbook (Tekko-Binran), vol. IV, Published on May 31, 1982 in Japan. |