| 摘要 |
Disclosed is a plate type of heating device for melting solid oils comprising a sheathed heater, a plate-like metal covering for enclosing the major part of the sheathed heater in thermal conducting relation with the metal covering, an external cladding body joining with the opposite ends of the sheathed heater, a handle integrally connected to the external cladding body and a connector for connecting the sheathed heater to an electric power source through the external cladding body.
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