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第37类
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房屋建筑，修理，安装服务
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组别
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商品
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英文名称
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近似群组
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| 3705 | 炉子维修 | burner maintenance and repair | |
| 3705 | 供暖设备的安装和修理 | heating equipment installation and repair | |
| 3705 | 锅炉清垢与修理 | boiler cleaning and repair | |
| 3705 | 取暖设施出租 | ||