Tube-cleaning device
United States Patent 3400419
US Patent References:
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- - 1427524

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- - 1932068

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- - 2019761

Drill
- - 2128240

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- - 2549659


Inventors:
Fuller, Joseph C.
Publication Date:
09/10/1968
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Primary Class:
15/104.095
Other Classes:
173/24
International Classes:
B08B9/043
US Patent References:
2668978Retractable soot blower of the long-travel trolley supported type
2967316Apparatus for removing burden from a blast furnace
Foreign References:
DE251451C




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