| 摘要 |
a lower die(42) having a setting section(21) on the lower surface corresponding with the lower structure of the first product; a forming die(10) composed of a pair of right and left dies(12,14), and having a round protrusion section(15) to match to a parallel groove section(36) formed in its inside; and a moving punch(40) having a shape corresponding with the upper structure of the product(301).
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