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Clase N.º ref. Chino Inglés
37 60819 清洁建筑物（外表面） Cleaning of buildings [exterior surface]
37 62131 打印机墨带重新上墨 Re-inking of printer tapes
37 62475 半导体制造机器和系统的维修或维护 Repair or maintenance of semiconductor manufacturing machines and systems
37 60699 修建铁路 Building of railways
37 62099 提供有关建筑行业的信息 Provision of information relating to the construction industries
37 62694 招牌涂漆或修理 Signs (Painting or repair of -)
37 62323 航空导航设备修理 Repair of aerial navigation equipment
37 60899 清洗衣服 Clothing (Cleaning of -)
37 62403 修理帆 Repair of sails
37 60763 有关防止土地被洪水淹没的土木工程 Civil engineering relating to the prevention of inundation of land by flood water
37 61883 石油管道铺设 Oil pipeline laying
37 60707 地毯和小地毯清洁 Carpet and rug cleaning
37 61891 路面标线服务 Pavement marking services
37 62483 伐木机器和装置修理或维护 Repair or maintenance of machines and apparatus for lumbering
37 61731 有关闭门器的维护和修理服务 Maintenance and repair services relating to door closers
37 62355 采矿机械修理 Repair of mining machinery
37 60995 建造物业 Construction of property
37 62435 游乐机器及设备的维修或保养 Repair or maintenance of amusement machines and apparatus
37 60723 安装天花板衬板 Ceiling lining installation
37 60715 出租地毯剪 Carpet shears (Rental of -)
37 62107 提供与发电机修理或维护相关的信息 Providing information relating to the repair or maintenance of power generators
37 62702 场地平整 Site grading
37 61027 建造建筑物钢结构 Construction of steel structures for buildings
37 62790 用驱避动物制剂处理表面 Treatment of surfaces with animal repellent formulations
37 62750 铺瓷砖、砌砖或砌块 Tile laying, bricklaying or block laying