Title:
Method and apparatus for collecting soil gas samples
Document Type and Number:
United States Patent 2141261
Inventors:
Baldwin, Clark Joseph
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Publication Date:
12/27/1938
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Referenced by:
Export Citation:
Assignee:
STANOLIND OIL & GAS CO
Primary Class:
Other Classes:
436/29, 166/71, 73/864.740, 175/19, 166/264
International Classes:
G01V9/00