| 摘要 |
A shutter frame member is comprised of an elongated plastic extruded body element having opposed parallel longitudinal side edges in which is formed a connector for removable connection thereto of an elongated edge adaptor. The connecting cavity is provided with a plurality of elongated connecting channels on opposed side surfaces thereof. The edge adaptor is provided with a flange which has ribs for selective engagement with the channels provided in the elongated edge cavity of the body whereby to provide an adjustment of the width of the shutter frame member.
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