| http://www.w3.org/ns/prov#value | - Although the thickness of the protective coating layer (C) of the laminated heating structure of the present invention is not particularly limited, it is preferably at least 1 ??m, further preferably at least 5 ??m, in order to satisfy the function of the protective coating, while the upper limit thereof is usually at most 50 ??m.
|
