Apparatus for detecting gases or vapors
United States Patent 2741912
US Patent References:
Humidity measuring device
- - 2047638
Odormeter
- - 2327060
Electrical indicator of mechanical expansion
- - 2589983
Humidity measuring device
- - 2047638
Odormeter
- - 2327060
Electrical indicator of mechanical expansion
- - 2589983
Inventors:
Karl, Schultze
Publication Date:
04/17/1956
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Assignee:
Hermann, Sewerin Vorm Vulkan WE.
Primary Class:
Other Classes:
128/202.220, 324/693, 128/205.270, 128/205.230, 340/633, 116/200, 73/31.050
International Classes:
G01N27/12
Foreign References:
| GB191325046A | ||||
| GB134243A | ||||
| FR963759A |