Number | Name | Date | Kind |
---|---|---|---|
4318731 | Kajioka et al. | Mar 1982 | |
4439229 | Swithenbank | Mar 1984 |
Number | Date | Country |
---|---|---|
0068822 | Jan 1983 | EPX |
3603789 | Aug 1987 | DEX |
58-225070 | Jun 1982 | JPX |
Entry |
---|
PTC International Application No. WO 87/07602, Dec. 17, 1987. |
PTC International Application No. 86/04481, Aug. 14, 1986. |
PTC International Application No. WO 85/01939, May 9, 1985. |