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Title: Mining drill

Patent ·
OSTI ID:5529323

In a mine tool of the type having a drive body holding a bit, the drive body includes a pair of forwardly projecting flanges forming air passages in proximity to the cutting edges for the convey of detritus.

Assignee:
GTE Products Corp.
Patent Number(s):
US 4398611
OSTI ID:
5529323
Resource Relation:
Patent File Date: Filed date 8 Feb 1982; Other Information: PAT-APPL-346972
Country of Publication:
United States
Language:
English

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