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PCE
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DIFF Subgroup
G08B 17/107

for detecting light-scattering due to smoke

Introduced: January 1990

Full Title

Fire alarms; Alarms responsive to explosion > Actuation by presence of smoke or gases > using a light emitting and receiving device > for detecting light-scattering due to smoke

No child classifications to compare. This is a leaf node in both IPC and CPC.