Portable compressor unit
United States Patent 1415047

Inventors:
Parsons, Frederick W.
Publication Date:
05/09/1922
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Assignee:
INGERSOLL RAND CO
Primary Class:
137/899.400
Other Classes:
417/234, 123/195R, 137/265
International Classes:
F04B35/06; F04B41/02; F04B35/00; F04B41/00