Number | Date | Country | Kind |
---|---|---|---|
2-405214 | Dec 1990 | JPX | |
3-16607 | Feb 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4073965 | Mammino et al. | Feb 1978 | |
4539284 | Barbetta et al. | Sep 1985 | |
4561899 | Matrick | Dec 1985 |
Number | Date | Country |
---|---|---|
0162577 | Nov 1985 | EPX |
2325965 | Apr 1977 | FRX |
Entry |
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Abstract of JP-A 2149857. |
Abstract of JP-A 5937553. |