Analyzer
United States Patent 2756342
US Patent References:
Photoelectric comparator
- - 1999023
Automatic control of catalyst promoter in a hydrocarbon conversion process
- - 2518307
Analyzer
- - 2579825
Apparatus for measuring vapor content of gas
- - 2621297
Analyzer
- - 2685649
Photoelectric comparator
- - 1999023
Automatic control of catalyst promoter in a hydrocarbon conversion process
- - 2518307
Analyzer
- - 2579825
Apparatus for measuring vapor content of gas
- - 2621297
Analyzer
- - 2685649
Inventors:
Miller, Elmer C.
Publication Date:
07/24/1956
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Export Citation:
Assignee:
PHILLIPS PETROLEUM CO
Primary Class:
Other Classes:
250/341.700
International Classes:
G01N21/35; G01N21/31