首页>
外国专利>
Automatic apparatus showing the volume of pure alcohol or other of the pure product flowing out of one or more reservoirs, mixed with water or other liquid, and also that the degree of the mixture which flows at each instant
Automatic apparatus showing the volume of pure alcohol or other of the pure product flowing out of one or more reservoirs, mixed with water or other liquid, and also that the degree of the mixture which flows at each instant