Apparatus for cleaning tanks
United States Patent 2324804

Inventors:
Gelderen, John Van
Publication Date:
07/20/1943
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Assignee:
Gelderen, John Van
Primary Class:
134/102.100
Other Classes:
126/271.100, 134/200, 134/93, 134/172, 134/22.190, 134/22.160, 134/31, 134/22.170, 134/11
International Classes:
B08B9/08