Number | Date | Country | Kind |
---|---|---|---|
7-086781 | Apr 1995 | JPX |
Number | Date | Country |
---|---|---|
0072058 | Feb 1983 | EPX |
0245895 | Nov 1987 | EPX |
0520618 | Dec 1992 | EPX |
0568321 | Nov 1993 | EPX |
Entry |
---|
Database WPI, Section Ch, Week 9612, Derwent Publication Ltd., London, GB; Class B0-7, AN 96-110596 XP002012862 & JP-A-08 010 325 (Daikyo Gum Seiko KK), 16 Jan. 1996 (abstract). |