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| 51. | product marking |
| 产品标志 |
|
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| 52. | ammunition marking |
| 弹药标志 |
|
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| | |
| 53. | climatic indicator |
| 气候标志 |
|
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| | |
| 54. | prospecting guide |
| 勘探标志 |
|
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| | |
| 55. | activation flag |
| 活动标志 |
|
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| | |
| 56. | marking of lifesaving appliance |
| 救生设备标志 |
|
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| 57. | labelling of chemicals |
| 化学品标志 |
|
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| | |
| 58. | national boundary marker |
| 国界标志 |
|
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| | |
| 59. | lead identification |
| 引线标志 |
|
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| 60. | notch generator |
| 标志发生器 |
|
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