Title:
Portable sewer flood control
United States Patent 3032062


Inventors:
Blahnik, Carl J.
Application Number:
US8486161A
Publication Date:
05/01/1962
Filing Date:
01/25/1961
Assignee:
Blahnik, Carl J.
Primary Class:
Other Classes:
4/661, 137/362, 210/163, 277/612
International Classes:
E03D11/00
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