| 摘要 |
A window sash frame has a glazing insert receiving channel. A glazing insert provides a spacing structure for at least two glazing panes. The spacing structure has at least two glazing surfaces adapted to protrude into a viewing opening of the sash frame and hold a respective one of the glazing panes. The glazing insert includes a base for receipt in the receiving channel of the sash frame. The base extends away from the glazing surfaces such that the glazing panes will be isolated from the sash frame when the base is received in the channel and the glazing panes are mounted on the glazing surfaces.
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