Curt von Grueber Technisches Bureau -- the forerunner of Loesche GmbH -- was a manufacturer of cement and phosphate mills .
In 1906 , the engineer Curt von Grueber established a company for the design and sale of Kent mills in Berlin .
Curt von Grueber Technisches Bureau -- the forerunner of Loesche GmbH -- was a manufacturer of cement and phosphate mills .
In 1906 , the engineer Curt von Grueber established a company for the design and sale of Kent mills in Berlin .