Number | Date | Country | Kind |
---|---|---|---|
1-151799 | Jun 1989 | JPX |
Number | Date | Country |
---|---|---|
261505 | Mar 1988 | EPX |
312637 | Apr 1989 | EPX |
336394 | Oct 1989 | EPX |
361522 | Apr 1990 | EPX |
392790 | Oct 1990 | EPX |
Entry |
---|
Database WPIL, No. 87-288265, Derwent Publications Ltd., London, GB; & JP-A-62201290 (Tokyo Jiki) Apr. 9, 1987. |