Number | Date | Country | Kind |
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62-148374 | Jun 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2185383 | Pasternack et al. | Jan 1940 |
Number | Date | Country |
---|---|---|
0000092 | Feb 1978 | EPX |
48-15931 | May 1973 | JPX |
WO8700839 | Feb 1987 | WOX |
Entry |
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