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Title:
Device for driving the hook shaft of a double-stitch sewing machine
United States Patent 3112720
Inventors:
Luigi, Bono
Publication Date:
12/03/1963
Assignee:
Necchi, Spa
Primary Class:
Other Classes:
74/23, 112/315
International Classes:
D05B57/30
View Patent Images:
Foreign References:
DE636969C