| 摘要 |
A combined sash for window is disclosed, which is characterized in that up and down spaced insertion pieces are protruded from one side of a metallic section steel extended and bent, and insertion grooves are formed at the portions corresponding to the insertion pieces at one side of the resin adiabatic material, and inclined engaging members are protruded from the ends of the insertion pieces and inclined engaging shoulders are formed at the insertion grooves, and the insertion pieces of the section steel and the insertion grooves of the adiabatic material are engaged with each other.
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