Number | Date | Country | Kind |
---|---|---|---|
61-42846 | Feb 1987 | JPX |
Entry |
---|
Derwent Abstract Accession No. 84-130202/21, Japanese Pat. No. 59-064678, Apr. 12, 1984. |
Derwent Abstract Accession No. 86-090862/14, Japanese Pat. No. 61-036381, Feb. 21, 1986. |
Derwent Abstract Accession No. 86-090863/14, Japanese Pat. No. 61-036382, Feb. 21, 1986. |
Derwent Abstract Accession No. 86-158858/25, Japanese Pat. No. 61-091276, May 9, 1986. |
Derwent Abstract Accession No. 86-254901/39, Japanese Pat. No. 61-181879, Aug. 14, 1986. |