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Proportional counter tube
United States Patent 2837678
US Patent References:
Method of and apparatus for exploring radioactive strata
- - 2678397
Ionization chamber
- - 2683234
Inventors:
Hendee, Charles F.
Samuel, Fine
Publication Date:
06/03/1958
View Patent Images:
Download PDF 2837678
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Assignee:
PHILIPS CORP
Primary Class:
313/93
Other Classes:
338/19, 313/523
International Classes:
H01J47/06
;
H01J47/00