71190198
Dec 28, 1923
Jul 8, 1924
Chemicals for Cleaning Metals, Consisting of a Material Containing Potash, Sodium Hydrate, Sodium Silicate, Sodium Aluminate, and Soap, and Chemicals for Cleaning Textiles, Consisting of a Material Similar to the Above, but with the Sodium Hydrate Omitted
Lubricants and Fuels