| 摘要 |
PROBLEM TO BE SOLVED: To use the same parts for a frame used in the Kanto district and a frame used in the Kansai district. SOLUTION: An upper front ornament 1 is formed by three separate elements, i.e., a center upper piece 2 and right and left upper corner pieces 3 and 4, and a lower front ornament 5 is formed by three separate elements, i.e., a center lower piece 6 and right and left lower corner pieces 7 and 8.
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