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Bore hole loading device
United States Patent 2978947
US Patent References:
/0148093.html
- - 0148093
/0693750.html
- - 0693750
Method of loading boreholes with explosives and means for working said method
- - 1841874
Powder loading device
- - 1946780
Powder loading device
- - 2102112
Inventors:
Jeffries, John M.
Publication Date:
04/11/1961
View Patent Images:
Download PDF 2978947
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Assignee:
ATLAS POWDER CO
Primary Class:
86/20.150
Other Classes:
209/245, 102/313
International Classes:
F42D1/10
;
F42D1/00
US Patent References:
2355848
Machine for filling containers