CLEARING SEWER LINES AND THE LIKE
United States Patent 3535161

Inventors:
Gutrich, Robert J.
Publication Date:
10/20/1970
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Assignee:
Robert, Gutrich J.
Primary Class:
134/24
Other Classes:
134/167C
International Classes:
B08B9/053; B08B9/06
US Patent References:
2735794
3075535Apparatus for flushing extraneous matter from clogged drain pipes
3215560Method of cleaning hot air furnaces and duct systems associated therewith
3321184Self-propelling hose-nozzle assembly and method of using same




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