HEAT-INSULATING SPACE FORMING MEMBER ENHANCING HEAT-INSULATING EFFICIENCY
PROBLEM TO BE SOLVED: To enhance efficiency of a heat-insulating space by making a film adhere to the side of a frame in the heat-insulating space which is formed of the film and the frames on both sides. SOLUTION: When the heat-insulating space is formed with the films 4 reversed by a movable space...
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