Means for effecting rotary operations in step presses
United States Patent 1784745

Inventors:
Bruno, Nier Ernst
Publication Date:
12/09/1930
View Patent Images:
Download PDF 1784745 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Bruno, Nier Ernst
Primary Class:
72/68
Other Classes:
72/427, 72/94
International Classes:
B21D19/04; B21D51/00; B21D19/00