| 摘要 |
PROBLEM TO BE SOLVED: To improve a thermal insulation property, safety, a fireproof property, durability, appearance, a function as a snow-viewing small sliding door, and adaptability to a small size, compared with a conventional snow-viewing small sliding door. SOLUTION: A thermal insulation sliding door with an opening/closing viewing window comprises a framework in which plastic partition members having air layers and being reinforced by coupled vertical battens, respectively, are arranged above and below the viewing window. COPYRIGHT: (C)2007,JPO&INPIT
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