Method and apparatus for soil gas analysis
United States Patent 2284147
Inventors:
Herrick, Henry N.
Publication Date:
05/26/1942
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Assignee:
STANDARD OIL CO CALIFORNIA
Primary Class:
Other Classes:
95/143, 73/863.210, 166/67, 73/864.730, 96/147
International Classes:
G01N1/22