| http://www.w3.org/ns/prov#value | - F27d 11/02 cooked foods, and the fermenting heating for raising [58] Field of Search 219/396,'399, 400, 405, bread with yeast, the oven comprises a controlling 219/407, 408, 41 l, 412, 413 means including a thyristor, etc. and a combination of a gate circuit means for said thyristor and a tempera- [56] References Cited ture detecting means.
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