Orifice fitting
United States Patent 2964063
US Patent References:
/2407951.html
- - 2407951

Orifice exchanger
- - 2448071


Inventors:
Arno, Guenther Paul
Publication Date:
12/13/1960
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Assignee:
Arno, Guenther Paul
Primary Class:
138/44
Other Classes:
138/94, 137/315.010, 137/559
International Classes:
F16K3/02