Dee ihe na-aga n'ihu maka paragraf a - A kwụsịrị imepụta ihe nlereanya K nke America na mbata nke oke ịda mba na 1930, mana ụlọ ọrụ Hamburg gara n'ihu na-eme ihe nlereanya ahụ, ọ bụ ezie na site na 1930s okwu ahụ bụ "Vertegrand" apụla n'anya nke ígwè ígwè nke Hamburg pianos ma jiri aka-ese okwu "Erzeugnis der Steinway-Werke Hamburg-Altona", nke sụgharịrị ịbụ "Ngwaahịa nke Steinway Factory na Hamburg-Altona". Mmepụta gara n'ihu na Hamburg ruo mgbe e jidere ụlọ ọrụ Hamburg Steinway maka mmepụta metụtara agha n'oge Allied firebombing
na 1943, nke bibiri ihe ndekọ nile nke ụlọ ọrụ ahụ.