Title:
Purging system for refrigerating systems
United States Patent 2400620

Inventors:
Zwickl, Joseph R.
Publication Date:
05/21/1946
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Assignee:
WORTHINGTON PUMP & MACH CORP
Primary Class:
62/85
Other Classes:
62/125, 62/513, 62/218, 62/195, 62/510, 62/503, 62/474
International Classes:
F25B43/00; F25B43/04