| 摘要 |
There is provided a guide plate (18) having a lengthwise edge (17) over whic h a film is folded. The guide plate (18) has a lengthwise extending slot (22) parallel to the edge (17), which slot receives a resealable fastener in a closed condition between the film on both sides of the guide plate (18). The slot (22) is closed at its downstream end so as to open the fastener.</SDOAB >
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