| http://www.w3.org/ns/prov#value | - Although a hard type far-infrared ray transmitting and receiving member in which ceramic is coated on a base such as aluminum or a far-infrared ray transmitting and receiving member using a flexible film as a base thereof is commercially available on the market, the present invention is not limited thereto and a far-infrared ray transmitting and receiving material such as ceramic may be directly c
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