| 摘要 |
<p>There are provided a coil base 61 that is arranged under a top plate and on an inner side of which a plurality of heating coils 64, 65, and 66 are arranged, and crank-shaped terminal blocks 17 that connect lead wires 91 and 92 for heating coils 66a and 66c paired for connection to one another of the plurality of heating coils 66 and lead wires 101 and 102 for other heating coils 66b and 66d paired for connection to one another, of the plurality of heating coils 66. The terminal blocks 17 are provided on the inner side of the coil base 61.</p> |
