Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01T
MEASUREMENT OF NUCLEAR OR X-RADIATION
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7/00
Details of radiation-measuring instruments
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G01T7/12
Provision for actuation of an alarm
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G01T7/125
Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
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