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| 41. | household implements |
| 日用器具 |
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| 42. | demonstrational instrument |
| 示范器具 |
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| | |
| 43. | life-saving appliances |
| 救生器具 |
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| 44. | home appliances |
| 家用器具 |
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| 45. | current-using equipment |
| 用电器具 |
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| | |
| 46. | surgical instruments |
| 手术器具 |
|
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| | |
| 47. | lighting equipment |
| 灯光器具 |
|
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| | |
| 48. | exploration prospecting instrument |
| 勘探器具 |
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| 49. | plumbing fixtrure, fixture |
| 卫生器具 |
|
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| 50. | Primary Standards of Measurement, Standards of Measure- ment and Metrological Verification |
| 计量基准器具、计量标准器具和计量检定 |
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