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| 41. | tape reader punch |
| 读带穿孔机 |
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| 42. | eighty-column puncher |
| 八十列穿孔机 |
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| 43. | printing keyboard perforator |
| 印字键盘穿孔机 |
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| 44. | verifying punch |
| 检孔穿孔机 |
|
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| 45. | automatic tape puncher |
| 自动纸带穿孔机 |
|
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| 46. | tape puncher output |
| 纸带穿孔机输出 |
|
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| 47. | summary gang punch |
| 总计复穿孔机 |
|
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| 48. | CO^2 laser perforator |
| 二氧化碳激光穿孔机 |
|
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| 49. | three roll piercer |
| 三辊穿孔机 |
|
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| | |
| 50. | monitor reperforator |
| 监控复穿孔机 |
|
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