Number | Date | Country | Kind |
---|---|---|---|
10-098419 | Mar 1998 | JP | |
10-242786 | Aug 1998 | JP |
Number | Name | Date | Kind |
---|---|---|---|
4572813 | Arakawa | Feb 1986 | |
5780101 | Nolan et al. | Jul 1998 |
Entry |
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Patent Abstr. of Japan, No. 63159210, Pub. Jul. 1988 (Mitsubishi Heavy Ind. Ltd.). |
Database WPI, Section CH, Week 9006, XP002107935, Dec. 21, 1989 (Nippon Steel Corp.). |
Patent Abstr. of Japan, No. 05193920, Pub. Aug. 1993 (Hitachi Ltd.). |
Database EPODOC, EPO, XP-002107945, Dec. 1997 (Chinese Academy of Metals Inst.). |