Title:
Fuel cleanliness determination
United States Patent 2644330
US Patent References:
Carbon-pigment production
- - 1550042


Inventors:
Jonach, Fredrick L.
Wilson, James A.
Heigl, John J.
Publication Date:
07/07/1953
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Assignee:
STANDARD OIL DEV CO
Primary Class:
73/61.620
International Classes:
G01N33/28; G01N33/26