Title:
Method of and apparatus for treating the inner surface of tubular bodies with blasts
United States Patent 1952848


Inventors:
Wilhelm, Eckler
Application Number:
US68767533A
Publication Date:
03/27/1934
Filing Date:
08/31/1933
Assignee:
Wilhelm, Eckler
Primary Class:
Other Classes:
451/51, 451/76, 451/83, 451/102
International Classes:
B24C3/32
View Patent Images: