Number | Date | Country | Kind |
---|---|---|---|
10-183023 | Jun 1998 | JP |
Number | Date | Country |
---|---|---|
9-90428 | Apr 1997 | JP |
10-10494 | Jan 1998 | JP |
Entry |
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English abstract of Japanese reference 10-10494 published on Jan. 16, 1998, obtained from file 351 on the Dialog database. |