Clase 37

{指明具体物品，例如电气系统、电器、窗户等}的安装、维护、修理和保养 037-3053

Chino {指明具体物品，例如电气系统、电器、窗户等}的安装、维护、修理和保养

Inglés Installation, maintenance, repair, and servicing of {indicate specific item, e.g., electrical systems, appliances, windows, etc.}