Number | Date | Country | Kind |
---|---|---|---|
59-111317 | May 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4272832 | Ito | Jun 1981 | |
4338679 | O'Toole | Jul 1982 | |
4355377 | Sud et al. | Oct 1982 | |
4360903 | Plachno et al. | Nov 1982 |
Number | Date | Country |
---|---|---|
48112 | Dec 1981 | JPX |
Entry |
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Japanese Utility Model Laid-open Specification No. 58-114596, May 8, 1983. |