| 摘要 |
A spline apparatus is provided which includes a spline section and a spline channel cover section. The spline apparatus includes an intermediate section that is intermediate and joined to the spline section and a spline channel cover section. A frame member is also provided that can be used with the aforesaid spline apparatus. A center divider is also provided which can be used with the aforesaid frame member and spline apparatus to form a complete main frame assembly that can retain a screen insert and/or glazed insert. An "R" channel member is also provided for use with the aforesaid frame member.
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