Seal-bearing agitator drives
United States Patent 2830801

Inventors:
Andrew, Stratienko
Dowie, Mccullough Henry
Publication Date:
04/15/1958
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Assignee:
PHILADELPHIA GEAR WORKS INC
Primary Class:
366/249
Other Classes:
403/286, 464/179, 403/409.100, 403/337
International Classes:
F16J15/54; F16J15/00