| 摘要 |
PROBLEM TO BE SOLVED: To reduce cost while maintaining decorative properties. SOLUTION: The door body is constituted in such a manner that upper-lower horizontal muntins 2, 2 and left-right muntins 3, 3 are assembled in a frame shape, vertical casing members 5, 5 are installed on the insides of the muntins 3, 3, and at least one panels are mounted into partitions partitioned by the horizontal muntins 2 and the vertical casing members 5. The door body is configured in such a manner that notched sections 17, into which the end sections of the vertical casing members 5 are entered, are formed to the horizontal muntins 2, and the end sections of the vertical casing members 5 are entered into the notched sections 17 and the end sections of the horizontal muntins 2 and the vertical casing members 5 are superposed in the depth direction.
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