Number | Date | Country | Kind |
---|---|---|---|
58-46427 | Oct 1983 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
D277697 | Kojima et al. | Feb 1985 |
Entry |
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Hardware Age-May, 1982-p. 42-Kerosun Heaters. |
Hardware Age-Aug., 1982-p. 31-Yuasa Heater J-50. |
Hardware Age-Jun., 1981-pp. 57-59-Corona Heaters. |