Title:
Mining-machine chain link and bit
Document Type and Number:
United States Patent 1575315

Inventors:
Bowman, Newton K.
Publication Date:
03/02/1926
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Assignee:
Bowman, Newton K.
Primary Class:
299/102
Other Classes:
407/107
International Classes:
E21C35/193; E21C35/19; E21C35/00




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