发明授权
US4587402A Planar heating unit 失效
平面加热单元

Planar heating unit
摘要:
A planar heating unit comprises a base plate (1) having a surface electrically insulated by an insulation enamel layer (2a) or the like, a heating conductor (3) placed on the insulation surface of the base plate for generating Joule heat, and an enamel layer (4) fixing the heating conductor to the base plate (1) and covering the upper surface of the heating conductor.
公开/授权文献
信息查询
0/0