| 摘要 |
The material uses a sheet (2) of sulphurised paper or similar, which is adapted on its interior surface (3) to come into contact with the food product. A plastics film (4) which is impermeable to air and water and resistant to heat is affixed to the sheet. The plastics sheet and the device for fixing it (5) are arranged so as to withstand the temperature within the oven as the product is cooked.
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